style.css

* {
  font-family: 'Open Sans', sans-serif;
  color: #525252;
}
body {
  margin: 0;
  padding: 0;
}
header {
  position: fixed;
  top: 0px;
  left: 0px;
  right: 0px;
  background-color: rgba(55,65,65,0.8);
  box-shadow: 0 0 8px rgba(0,0,0,0.4);
}
header h1 {
  display: block;
  margin: 8px 32px;
  padding: 0 16px;
  border-left: solid 3px #a00;
  font-size: 24px;
  font-weight: 100;
  color: #fff;
}
main {
  display: grid;
  margin: 72px;
  grid-template-areas: 'h2 h2 h2 aside_1'
                       'article_0 article_0 article_0 aside_1'
                       'footer_2 footer_2 footer_2 footer_2';
  grid-column-gap: 10px;
  text-align: top;
}
main h2 {
  grid-area: h2;
}
article {
  grid-area: article_0;
}
article p {
  margin: 8px;
  padding: 8px;
}
aside {
  grid-area: aside_1;
  padding: 0 32px;
}
aside h3 {
  display: block;
  margin: 8px;
  padding: 4px 8px;
  border-bottom: solid 1px #727272;
}
section {
  background-color: #f2f2f2;
  margin: 8px;
  padding: 16px;
  border-radius: 16px;
  box-shadow: 1px 1px 2px rgba(0,0,0,0.2);
}
footer {
  grid-area: footer_2;
  background-color: #000;
  margin: 0;
  padding: 32px;
  font-size: 16px;
  text-align: center;
}
footer p {
  color: #fff !important;
}
footer p a {
  display: inline-block;
  margin: 8px;
  padding: 8px;
  background-color: #525252;
  text-decoration: none;
  color: #fff !important;
}
footer p a:hover {
  text-decoration: underline;
}
footer p a img {
  vertical-align: middle;
  margin-left: 16px;
}