diff --git a/blog-single.html b/blog-single.html
index d9fc484..1aacdd9 100644
--- a/blog-single.html
+++ b/blog-single.html
@@ -50,13 +50,13 @@
               <a
                 class="nav-link active dropdown-toggle"
                 href="category.html"
-                id="dropdown05"
+                id="dropdown"
                 data-toggle="dropdown"
                 aria-haspopup="true"
                 aria-expanded="false"
                 >Categories</a
               >
-              <div class="dropdown-menu" aria-labelledby="dropdown05">
+              <div class="dropdown-menu" aria-labelledby="dropdown">
                 <a class="dropdown-item" href="category.html">Lifestyle</a>
                 <a class="dropdown-item" href="category.html">Food</a>
                 <a class="dropdown-item" href="category.html">Adventure</a>
@@ -72,13 +72,9 @@
       </div>
     </nav>
 
-    <!-- END header -->
-
     <div class="container mb-4">
-      <!-- END section -->
-
-      <div class="row blog-entries">
-        <div class="col-md-12 col-lg-9 main-content mb-4">
+      <div class="row">
+        <main class="col-md-12 col-lg-9 mb-4">
           <article class="p-5 shadow">
             <img
               src="images/img_7.jpg"
@@ -87,7 +83,9 @@
             />
             <h1 class="h2 mb-0">How to Find the Video Games of Your Youth</h1>
 
-            <p class="text-muted">Last updated: March 15, 2020</p>
+            <p class="text-muted">
+              Last updated: <time datetime="2020-03-15">March 15, 2020</time>
+            </p>
             <p class="lead">
               Cum sociis natoque penatibus et magnis dis parturient montes,
               nascetur ridiculus mus. Aenean lacinia bibendum nulla sed
@@ -134,9 +132,7 @@ <h1 class="h2 mb-0">How to Find the Video Games of Your Youth</h1>
               turpis egestas integer.
             </p>
           </article>
-        </div>
-
-        <!-- END main-content -->
+        </main>
 
         <div class="col-md-12 col-lg-3 sidebar">
           <form action="#" class="search-form mb-4">
@@ -153,7 +149,6 @@ <h1 class="h2 mb-0">How to Find the Video Games of Your Youth</h1>
             </div>
           </form>
 
-          <!-- END sidebar-box -->
           <div class="shadow p-3 text-center mb-4">
             <img
               src="images/person_1.jpg"
@@ -186,7 +181,7 @@ <h2 class="h5">David Craig</h2>
               ></a>
             </p>
           </div>
-          <!-- END sidebar-box -->
+
           <div class="p-3 shadow mb-4">
             <h2 class="h5">Popular Posts</h2>
             <ul class="list-group list-group-flush">
@@ -240,7 +235,6 @@ <h3 class="h6">
               </li>
             </ul>
           </div>
-          <!-- END sidebar-box -->
 
           <div class="p-3 shadow mb-4">
             <h2 class="h5">Categories</h2>
@@ -282,7 +276,6 @@ <h2 class="h5">Categories</h2>
               </li>
             </ul>
           </div>
-          <!-- END sidebar-box -->
 
           <div class="p-3 shadow">
             <h3 class="h5">Tags</h3>
@@ -326,7 +319,6 @@ <h3 class="h5">Tags</h3>
             </ul>
           </div>
         </div>
-        <!-- END sidebar -->
       </div>
     </div>
 
@@ -336,7 +328,6 @@ <h3 class="h5">Tags</h3>
         <i class="fa fa-heart text-danger" aria-hidden="true"></i> for Alyra
       </p>
     </footer>
-    <!-- END footer -->
 
     <script
       src="https://cdn.jsdelivr.net/npm/popper.js@1.16.0/dist/umd/popper.min.js"
diff --git a/category.html b/category.html
index d5dd2f2..89272d8 100644
--- a/category.html
+++ b/category.html
@@ -50,13 +50,13 @@
               <a
                 class="nav-link active dropdown-toggle"
                 href="category.html"
-                id="dropdown05"
+                id="dropdown"
                 data-toggle="dropdown"
                 aria-haspopup="true"
                 aria-expanded="false"
                 >Categories</a
               >
-              <div class="dropdown-menu" aria-labelledby="dropdown05">
+              <div class="dropdown-menu" aria-labelledby="dropdown">
                 <a class="dropdown-item" href="category.html">Lifestyle</a>
                 <a class="dropdown-item" href="category.html">Food</a>
                 <a class="dropdown-item" href="category.html">Adventure</a>
@@ -78,9 +78,9 @@
       <!-- END section -->
 
       <h1 class="h2 mb-4">Category: Lifestyle</h1>
-      <div class="row blog-entries">
-        <div class="col-md-12 col-lg-9 main-content">
-          <div
+      <div class="row">
+        <main class="col-md-12 col-lg-9 main-content">
+          <article
             class="row g-0 border rounded overflow-hidden flex-md-row mb-4 shadow-sm h-md-250 position-relative"
           >
             <a href="blog-single.html" class="col-md-4">
@@ -100,9 +100,9 @@ <h2 class="h5 mb-0">
               </h2>
               <div class="mt-auto text-muted">March 15, 2020</div>
             </div>
-          </div>
+          </article>
 
-          <div
+          <article
             class="row g-0 border rounded overflow-hidden flex-md-row mb-4 shadow-sm h-md-250 position-relative"
           >
             <a href="blog-single.html" class="col-md-4">
@@ -122,9 +122,9 @@ <h2 class="h5 mb-0">
               </h2>
               <div class="mt-auto text-muted">March 15, 2020</div>
             </div>
-          </div>
+          </article>
 
-          <div
+          <article
             class="row g-0 border rounded overflow-hidden flex-md-row mb-4 shadow-sm h-md-250 position-relative"
           >
             <a href="blog-single.html" class="col-md-4">
@@ -144,9 +144,9 @@ <h2 class="h5 mb-0">
               </h2>
               <div class="mt-auto text-muted">March 15, 2020</div>
             </div>
-          </div>
+          </article>
 
-          <div
+          <article
             class="row g-0 border rounded overflow-hidden flex-md-row mb-4 shadow-sm h-md-250 position-relative"
           >
             <a href="blog-single.html" class="col-md-4">
@@ -166,9 +166,9 @@ <h2 class="h5 mb-0">
               </h2>
               <div class="mt-auto text-muted">March 15, 2020</div>
             </div>
-          </div>
+          </article>
 
-          <div
+          <article
             class="row g-0 border rounded overflow-hidden flex-md-row mb-4 shadow-sm h-md-250 position-relative"
           >
             <a href="blog-single.html" class="col-md-4">
@@ -188,8 +188,8 @@ <h2 class="h5 mb-0">
               </h2>
               <div class="mt-auto text-muted">March 15, 2020</div>
             </div>
-          </div>
-          <div
+          </article>
+          <article
             class="row g-0 border rounded overflow-hidden flex-md-row mb-4 shadow-sm h-md-250 position-relative"
           >
             <a href="blog-single.html" class="col-md-4">
@@ -209,8 +209,8 @@ <h2 class="h5 mb-0">
               </h2>
               <div class="mt-auto text-muted">March 15, 2020</div>
             </div>
-          </div>
-        </div>
+          </article>
+        </main>
 
         <!-- END main-content -->
 
diff --git a/contact.html b/contact.html
index f71ec08..7276446 100644
--- a/contact.html
+++ b/contact.html
@@ -47,10 +47,16 @@
             </li>
 
             <li class="nav-item dropdown">
-              <a class="nav-link active dropdown-toggle" href="category.html"
+              <a
+                class="nav-link active dropdown-toggle"
+                href="category.html"
+                id="dropdown"
+                data-toggle="dropdown"
+                aria-haspopup="true"
+                aria-expanded="false"
                 >Categories</a
               >
-              <div class="dropdown-menu" aria-labelledby="dropdown05">
+              <div class="dropdown-menu" aria-labelledby="dropdown">
                 <a class="dropdown-item" href="category.html">Lifestyle</a>
                 <a class="dropdown-item" href="category.html">Food</a>
                 <a class="dropdown-item" href="category.html">Adventure</a>
@@ -66,13 +72,9 @@
       </div>
     </nav>
 
-    <!-- END header -->
-
     <div class="container mb-4">
-      <!-- END section -->
-
-      <div class="row blog-entries">
-        <div class="col-md-12 col-lg-9 main-content mb-4">
+      <div class="row">
+        <main class="col-md-12 col-lg-9 mb-4">
           <article class="p-5 shadow">
             <img
               src="images/big_image_1.jpg"
@@ -89,46 +91,33 @@ <h1 class="h2 text-center">Contact Us</h1>
               ut fermentum massa justo sit amet risus.
             </p>
             <form action="#" method="post">
-              <div class="row">
-                <div class="col-md-12 form-group mb-3">
-                  <label for="name">Name*</label>
-                  <input type="text" id="name" class="form-control" required />
-                </div>
-                <div class="col-md-12 form-group mb-3">
-                  <label for="phone">Phone</label>
-                  <input type="text" id="phone" class="form-control" required />
-                </div>
-                <div class="col-md-12 form-group mb-3">
-                  <label for="email">Email*</label>
-                  <input type="email" id="email" class="form-control" />
-                </div>
+              <div class="form-group mb-3">
+                <label for="name">Name*</label>
+                <input type="text" id="name" class="form-control" required />
               </div>
-              <div class="row">
-                <div class="col-md-12 form-group mb-3">
-                  <label for="message">Write Message</label>
-                  <textarea
-                    name="message"
-                    id="message"
-                    class="form-control"
-                    cols="30"
-                    rows="8"
-                  ></textarea>
-                </div>
+              <div class="form-group mb-3">
+                <label for="phone">Phone</label>
+                <input type="text" id="phone" class="form-control" required />
               </div>
-              <div class="row">
-                <div class="col-md-6 form-group">
-                  <input
-                    type="submit"
-                    value="Send Message"
-                    class="btn btn-dark"
-                  />
-                </div>
+              <div class="form-group mb-3">
+                <label for="email">Email*</label>
+                <input type="email" id="email" class="form-control" />
               </div>
+
+              <div class="form-group mb-3">
+                <label for="message">Write Message</label>
+                <textarea
+                  name="message"
+                  id="message"
+                  class="form-control"
+                  cols="30"
+                  rows="8"
+                ></textarea>
+              </div>
+              <button type="submit" class="btn btn-dark">Send Message</button>
             </form>
           </article>
-        </div>
-
-        <!-- END main-content -->
+        </main>
 
         <div class="col-md-12 col-lg-3 sidebar">
           <form action="#" class="search-form mb-4">
@@ -145,7 +134,6 @@ <h1 class="h2 text-center">Contact Us</h1>
             </div>
           </form>
 
-          <!-- END sidebar-box -->
           <div class="shadow p-3 text-center mb-4">
             <img
               src="images/person_1.jpg"
@@ -178,7 +166,7 @@ <h2 class="h5">David Craig</h2>
               ></a>
             </p>
           </div>
-          <!-- END sidebar-box -->
+
           <div class="p-3 shadow mb-4">
             <h2 class="h5">Popular Posts</h2>
             <ul class="list-group list-group-flush">
@@ -274,7 +262,6 @@ <h2 class="h5">Categories</h2>
               </li>
             </ul>
           </div>
-          <!-- END sidebar-box -->
 
           <div class="p-3 shadow">
             <h3 class="h5">Tags</h3>
@@ -318,7 +305,6 @@ <h3 class="h5">Tags</h3>
             </ul>
           </div>
         </div>
-        <!-- END sidebar -->
       </div>
     </div>
 
@@ -328,7 +314,6 @@ <h3 class="h5">Tags</h3>
         <i class="fa fa-heart text-danger" aria-hidden="true"></i> for Alyra
       </p>
     </footer>
-    <!-- END footer -->
 
     <script
       src="https://cdn.jsdelivr.net/npm/popper.js@1.16.0/dist/umd/popper.min.js"
diff --git a/index.html b/index.html
index b891567..24fc12e 100644
--- a/index.html
+++ b/index.html
@@ -19,9 +19,9 @@
   <body>
     <header class="text-center py-5">
       <h1>
-        <a class="site-logo link-dark text-decoration-none" href="index.html"
-          >AlyraMag</a
-        >
+        <a class="site-logo link-dark text-decoration-none" href="index.html">
+          AlyraMag
+        </a>
       </h1>
     </header>
     <nav class="navbar navbar-expand-sm navbar-light bg-light sticky-top mb-4">
@@ -51,13 +51,13 @@ <h1>
               <a
                 class="nav-link dropdown-toggle"
                 href="category.html"
-                id="dropdown05"
+                id="dropdown"
                 data-toggle="dropdown"
                 aria-haspopup="true"
                 aria-expanded="false"
                 >Categories</a
               >
-              <div class="dropdown-menu" aria-labelledby="dropdown05">
+              <div class="dropdown-menu" aria-labelledby="dropdown">
                 <a class="dropdown-item" href="category.html">Lifestyle</a>
                 <a class="dropdown-item" href="category.html">Food</a>
                 <a class="dropdown-item" href="category.html">Adventure</a>
@@ -73,93 +73,81 @@ <h1>
       </div>
     </nav>
 
-    <!-- END header -->
-
     <div class="container mb-4">
-      <div class="row mb-5">
-        <div
-          id="carouselExampleCaptions"
-          class="carousel slide"
-          data-ride="carousel"
-        >
-          <ol class="carousel-indicators">
-            <li
-              data-target="#carouselExampleCaptions"
-              data-slide-to="0"
-              class="active"
-            ></li>
-            <li data-target="#carouselExampleCaptions" data-slide-to="1"></li>
-            <li data-target="#carouselExampleCaptions" data-slide-to="2"></li>
-          </ol>
-          <div class="carousel-inner">
-            <div class="carousel-item active">
-              <img
-                src="images/big_image_1.jpg"
-                class="d-block w-100"
-                alt="..."
-              />
-              <div class="carousel-caption bg-dark">
-                <span class="category mb-5">Sports</span>
-                <h3>How to Find the Video Games of Your Youth</h3>
-                <p>
-                  Lorem ipsum dolor sit amet, consectetur adipisicing elit.
-                  Quidem nobis, ut dicta eaque ipsa laudantium!
-                </p>
-              </div>
+      <!-- CAROUSEL -->
+      <div
+        id="carouselExampleCaptions"
+        class="carousel slide mb-5"
+        data-ride="carousel"
+      >
+        <ol class="carousel-indicators">
+          <li
+            data-target="#carouselExampleCaptions"
+            data-slide-to="0"
+            class="active"
+          ></li>
+          <li data-target="#carouselExampleCaptions" data-slide-to="1"></li>
+          <li data-target="#carouselExampleCaptions" data-slide-to="2"></li>
+        </ol>
+        <div class="carousel-inner">
+          <div class="carousel-item active">
+            <img src="images/big_image_1.jpg" class="d-block w-100" alt="..." />
+            <div class="carousel-caption bg-dark">
+              <span class="category mb-5">Sports</span>
+              <h3>How to Find the Video Games of Your Youth</h3>
+              <p>
+                Lorem ipsum dolor sit amet, consectetur adipisicing elit. Quidem
+                nobis, ut dicta eaque ipsa laudantium!
+              </p>
             </div>
-            <div class="carousel-item">
-              <img
-                src="images/big_image_3.jpg"
-                class="d-block w-100"
-                alt="..."
-              />
-              <div class="carousel-caption bg-dark">
-                <span class="category mb-5">Sports</span>
-                <h3>How to Find the Video Games of Your Youth</h3>
-                <p>
-                  Lorem ipsum dolor sit amet, consectetur adipisicing elit.
-                  Quidem nobis, ut dicta eaque ipsa laudantium!
-                </p>
-              </div>
+          </div>
+          <div class="carousel-item">
+            <img src="images/big_image_3.jpg" class="d-block w-100" alt="..." />
+            <div class="carousel-caption bg-dark">
+              <span class="category mb-5">Sports</span>
+              <h3>How to Find the Video Games of Your Youth</h3>
+              <p>
+                Lorem ipsum dolor sit amet, consectetur adipisicing elit. Quidem
+                nobis, ut dicta eaque ipsa laudantium!
+              </p>
             </div>
-            <div class="carousel-item">
-              <img src="images/img_3.jpg" class="d-block w-100" alt="..." />
-              <div class="carousel-caption bg-dark">
-                <span class="category mb-5">Sports</span>
-                <h3>How to Find the Video Games of Your Youth</h3>
-                <p>
-                  Lorem ipsum dolor sit amet, consectetur adipisicing elit.
-                  Quidem nobis, ut dicta eaque ipsa laudantium!
-                </p>
-              </div>
+          </div>
+          <div class="carousel-item">
+            <img src="images/img_3.jpg" class="d-block w-100" alt="..." />
+            <div class="carousel-caption bg-dark">
+              <span class="category mb-5">Sports</span>
+              <h3>How to Find the Video Games of Your Youth</h3>
+              <p>
+                Lorem ipsum dolor sit amet, consectetur adipisicing elit. Quidem
+                nobis, ut dicta eaque ipsa laudantium!
+              </p>
             </div>
           </div>
-          <a
-            class="carousel-control-prev"
-            href="#carouselExampleCaptions"
-            role="button"
-            data-slide="prev"
-          >
-            <span class="carousel-control-prev-icon" aria-hidden="true"></span>
-            <span class="sr-only">Previous</span>
-          </a>
-          <a
-            class="carousel-control-next"
-            href="#carouselExampleCaptions"
-            role="button"
-            data-slide="next"
-          >
-            <span class="carousel-control-next-icon" aria-hidden="true"></span>
-            <span class="sr-only">Next</span>
-          </a>
         </div>
+        <a
+          class="carousel-control-prev"
+          href="#carouselExampleCaptions"
+          role="button"
+          data-slide="prev"
+        >
+          <span class="carousel-control-prev-icon" aria-hidden="true"></span>
+          <span class="sr-only">Previous</span>
+        </a>
+        <a
+          class="carousel-control-next"
+          href="#carouselExampleCaptions"
+          role="button"
+          data-slide="next"
+        >
+          <span class="carousel-control-next-icon" aria-hidden="true"></span>
+          <span class="sr-only">Next</span>
+        </a>
       </div>
-
-      <!-- END section -->
+      <!-- CAROUSEL -->
 
       <h2 class="mb-4">Latest Posts</h2>
-      <div class="row blog-entries">
-        <div class="col-md-12 col-lg-9 main-content">
+      <div class="row">
+        <main class="col-md-12 col-lg-9">
           <div class="row">
             <div class="col-md-6 col-xl-4">
               <article class="shadow mb-4">
@@ -179,16 +167,21 @@ <h2 class="mb-4">Latest Posts</h2>
                       class="img-fluid rounded-pill"
                       alt=""
                       width="48"
+                      height="48"
                     />
-
-                    <small class="text-muted">March 15, 2020 </small>
+                    <small class="text-muted">
+                      <time datetime="2020-03-15">
+                        March 15, 2020
+                      </time>
+                    </small>
                   </div>
                   <h2 class="h6 lh-base">
                     <a
                       href="blog-single.html"
                       class="text-decoration-none link-dark"
-                      >How to Find the Video Games of Your Youth</a
                     >
+                      How to Find the Video Games of Your Youth
+                    </a>
                   </h2>
                 </div>
               </article>
@@ -211,16 +204,21 @@ <h2 class="h6 lh-base">
                       class="img-fluid rounded-pill"
                       alt=""
                       width="48"
+                      height="48"
                     />
-
-                    <small class="text-muted">March 15, 2020 </small>
+                    <small class="text-muted">
+                      <time datetime="2020-03-15">
+                        March 15, 2020
+                      </time>
+                    </small>
                   </div>
                   <h2 class="h6 lh-base">
                     <a
                       href="blog-single.html"
                       class="text-decoration-none link-dark"
-                      >How to Find the Video Games of Your Youth</a
                     >
+                      How to Find the Video Games of Your Youth
+                    </a>
                   </h2>
                 </div>
               </article>
@@ -243,16 +241,21 @@ <h2 class="h6 lh-base">
                       class="img-fluid rounded-pill"
                       alt=""
                       width="48"
+                      height="48"
                     />
-
-                    <small class="text-muted">March 15, 2020 </small>
+                    <small class="text-muted">
+                      <time datetime="2020-03-15">
+                        March 15, 2020
+                      </time>
+                    </small>
                   </div>
                   <h2 class="h6 lh-base">
                     <a
                       href="blog-single.html"
                       class="text-decoration-none link-dark"
-                      >How to Find the Video Games of Your Youth</a
                     >
+                      How to Find the Video Games of Your Youth
+                    </a>
                   </h2>
                 </div>
               </article>
@@ -275,16 +278,21 @@ <h2 class="h6 lh-base">
                       class="img-fluid rounded-pill"
                       alt=""
                       width="48"
+                      height="48"
                     />
-
-                    <small class="text-muted">March 15, 2020 </small>
+                    <small class="text-muted">
+                      <time datetime="2020-03-15">
+                        March 15, 2020
+                      </time>
+                    </small>
                   </div>
                   <h2 class="h6 lh-base">
                     <a
                       href="blog-single.html"
                       class="text-decoration-none link-dark"
-                      >How to Find the Video Games of Your Youth</a
                     >
+                      How to Find the Video Games of Your Youth
+                    </a>
                   </h2>
                 </div>
               </article>
@@ -307,16 +315,21 @@ <h2 class="h6 lh-base">
                       class="img-fluid rounded-pill"
                       alt=""
                       width="48"
+                      height="48"
                     />
-
-                    <small class="text-muted">March 15, 2020 </small>
+                    <small class="text-muted">
+                      <time datetime="2020-03-15">
+                        March 15, 2020
+                      </time>
+                    </small>
                   </div>
-                  <h2 class="h5">
+                  <h2 class="h6 lh-base">
                     <a
                       href="blog-single.html"
                       class="text-decoration-none link-dark"
-                      >How to Find the Video Games of Your Youth</a
                     >
+                      How to Find the Video Games of Your Youth
+                    </a>
                   </h2>
                 </div>
               </article>
@@ -339,16 +352,21 @@ <h2 class="h5">
                       class="img-fluid rounded-pill"
                       alt=""
                       width="48"
+                      height="48"
                     />
-
-                    <small class="text-muted">March 15, 2020 </small>
+                    <small class="text-muted">
+                      <time datetime="2020-03-15">
+                        March 15, 2020
+                      </time>
+                    </small>
                   </div>
-                  <h2 class="h5">
+                  <h2 class="h6 lh-base">
                     <a
                       href="blog-single.html"
                       class="text-decoration-none link-dark"
-                      >How to Find the Video Games of Your Youth</a
                     >
+                      How to Find the Video Games of Your Youth
+                    </a>
                   </h2>
                 </div>
               </article>
@@ -371,16 +389,21 @@ <h2 class="h5">
                       class="img-fluid rounded-pill"
                       alt=""
                       width="48"
+                      height="48"
                     />
-
-                    <small class="text-muted">March 15, 2020 </small>
+                    <small class="text-muted">
+                      <time datetime="2020-03-15">
+                        March 15, 2020
+                      </time>
+                    </small>
                   </div>
-                  <h2 class="h5">
+                  <h2 class="h6 lh-base">
                     <a
                       href="blog-single.html"
                       class="text-decoration-none link-dark"
-                      >How to Find the Video Games of Your Youth</a
                     >
+                      How to Find the Video Games of Your Youth
+                    </a>
                   </h2>
                 </div>
               </article>
@@ -403,16 +426,21 @@ <h2 class="h5">
                       class="img-fluid rounded-pill"
                       alt=""
                       width="48"
+                      height="48"
                     />
-
-                    <small class="text-muted">March 15, 2020 </small>
+                    <small class="text-muted">
+                      <time datetime="2020-03-15">
+                        March 15, 2020
+                      </time>
+                    </small>
                   </div>
-                  <h2 class="h5">
+                  <h2 class="h6 lh-base">
                     <a
                       href="blog-single.html"
                       class="text-decoration-none link-dark"
-                      >How to Find the Video Games of Your Youth</a
                     >
+                      How to Find the Video Games of Your Youth
+                    </a>
                   </h2>
                 </div>
               </article>
@@ -435,16 +463,21 @@ <h2 class="h5">
                       class="img-fluid rounded-pill"
                       alt=""
                       width="48"
+                      height="48"
                     />
-
-                    <small class="text-muted">March 15, 2020 </small>
+                    <small class="text-muted">
+                      <time datetime="2020-03-15">
+                        March 15, 2020
+                      </time>
+                    </small>
                   </div>
-                  <h2 class="h5">
+                  <h2 class="h6 lh-base">
                     <a
                       href="blog-single.html"
                       class="text-decoration-none link-dark"
-                      >How to Find the Video Games of Your Youth</a
                     >
+                      How to Find the Video Games of Your Youth
+                    </a>
                   </h2>
                 </div>
               </article>
@@ -467,24 +500,27 @@ <h2 class="h5">
                       class="img-fluid rounded-pill"
                       alt=""
                       width="48"
+                      height="48"
                     />
-
-                    <small class="text-muted">March 15, 2020 </small>
+                    <small class="text-muted">
+                      <time datetime="2020-03-15">
+                        March 15, 2020
+                      </time>
+                    </small>
                   </div>
-                  <h2 class="h5">
+                  <h2 class="h6 lh-base">
                     <a
                       href="blog-single.html"
                       class="text-decoration-none link-dark"
-                      >How to Find the Video Games of Your Youth</a
                     >
+                      How to Find the Video Games of Your Youth
+                    </a>
                   </h2>
                 </div>
               </article>
             </div>
           </div>
-        </div>
-
-        <!-- END main-content -->
+        </main>
 
         <div class="col-md-12 col-lg-3 sidebar">
           <form action="#" class="search-form mb-4">
@@ -501,7 +537,6 @@ <h2 class="h5">
             </div>
           </form>
 
-          <!-- END sidebar-box -->
           <div class="shadow p-3 text-center mb-4">
             <img
               src="images/person_1.jpg"
@@ -520,21 +555,21 @@ <h2 class="h5">David Craig</h2>
               <a href="#" class="btn btn-dark btn-sm rounded">Read my bio</a>
             </p>
             <p class="social">
-              <a href="#" class="p-2 link-dark"
+              <a href="#" aria-label="facebook profile" class="p-2 link-dark"
                 ><span class="fa fa-facebook"></span
               ></a>
-              <a href="#" class="p-2 link-dark"
+              <a href="#" aria-label="twitter profile" class="p-2 link-dark"
                 ><span class="fa fa-twitter"></span
               ></a>
-              <a href="#" class="p-2 link-dark"
+              <a href="#" aria-label="instagram profile" class="p-2 link-dark"
                 ><span class="fa fa-instagram"></span
               ></a>
-              <a href="#" class="p-2 link-dark"
+              <a href="#" aria-label="yoututbe profile" class="p-2 link-dark"
                 ><span class="fa fa-youtube-play"></span
               ></a>
             </p>
           </div>
-          <!-- END sidebar-box -->
+
           <div class="p-3 shadow mb-4">
             <h2 class="h5">Popular Posts</h2>
             <ul class="list-group list-group-flush">
@@ -588,7 +623,6 @@ <h3 class="h6">
               </li>
             </ul>
           </div>
-          <!-- END sidebar-box -->
 
           <div class="p-3 shadow mb-4">
             <h2 class="h5">Categories</h2>
@@ -630,7 +664,6 @@ <h2 class="h5">Categories</h2>
               </li>
             </ul>
           </div>
-          <!-- END sidebar-box -->
 
           <div class="p-3 shadow">
             <h3 class="h5">Tags</h3>
@@ -674,7 +707,6 @@ <h3 class="h5">Tags</h3>
             </ul>
           </div>
         </div>
-        <!-- END sidebar -->
       </div>
     </div>
 
@@ -684,7 +716,6 @@ <h3 class="h5">Tags</h3>
         <i class="fa fa-heart text-danger" aria-hidden="true"></i> for Alyra
       </p>
     </footer>
-    <!-- END footer -->
 
     <script
       src="https://cdn.jsdelivr.net/npm/popper.js@1.16.0/dist/umd/popper.min.js"