diff --git a/src/app/uiux/combs/node/article/article.component.ts b/src/app/uiux/combs/node/article/article.component.ts
index e4c3dd769..944eb7e77 100644
--- a/src/app/uiux/combs/node/article/article.component.ts
+++ b/src/app/uiux/combs/node/article/article.component.ts
@@ -1,4 +1,3 @@
-import { DOCUMENT } from '@angular/common';
 import {
   Component,
   Input,
diff --git a/src/assets/app/404.json b/src/assets/app/404.json
index ea192a28c..72b8ae8d4 100644
--- a/src/assets/app/404.json
+++ b/src/assets/app/404.json
@@ -1,30 +1,35 @@
 {
   "title": "404 not found!",
-  "body": [{
-    "type": "404",
-    "img": {
-      "src": "/assets/images/404.svg",
-      "alt": "404 not found!"
-    },
-    "text": {
-      "spacer": "none",
-      "title": {
-        "label": "OH!NO <br>页面没有找到",
-        "style": "style-v1",
-        "classes": "mat-display-1"
+  "body": [
+    {
+      "type": "404",
+      "img": {
+        "src": "/assets/images/404.svg",
+        "alt": "404 not found!"
       },
-      "body": "信使是基于 Material UI 的 Angular 前端框架，后端适配 Drupal，提供优秀的数字创新体验。"
-    },
-    "actions": [{
-      "label": "Go Back",
-      "href": "/",
-      "style": "style-v1",
-      "icon": "open_in_new"
-    }, {
-      "label": "Go To Home",
-      "href": "/",
-      "style": "style-v1",
-      "icon": "open_in_new"
-    }]
-  }]
+      "text": {
+        "spacer": "none",
+        "title": {
+          "label": "OH!NO <br>页面没有找到",
+          "style": "style-v1",
+          "classes": "mat-display-1"
+        },
+        "body": "信使是基于 Material UI 的 Angular 前端框架，后端适配 Drupal，提供优秀的数字创新体验。"
+      },
+      "actions": [
+        {
+          "label": "Go Back",
+          "href": "/",
+          "style": "style-v1",
+          "icon": "open_in_new"
+        },
+        {
+          "label": "Go To Home",
+          "href": "/",
+          "style": "style-v1",
+          "icon": "open_in_new"
+        }
+      ]
+    }
+  ]
 }
diff --git a/src/theme/mixins/_amixin.scss b/src/theme/mixins/_amixin.scss
index 4e90487fc..47a845dca 100644
--- a/src/theme/mixins/_amixin.scss
+++ b/src/theme/mixins/_amixin.scss
@@ -4,23 +4,13 @@
   $ease: linear,
   $delay: 0
 ) {
-  -webkit-transition: $prop $time $ease;
-  -moz-transition: $prop $time $ease;
-  -o-transition: $prop $time $ease;
-  -ms-transition: $prop $time $ease;
   transition: $prop $time $ease;
 }
 
 @mixin delay($delay: 0) {
-  -webkit-transition-delay: $delay;
-  -moz-transition-delay: $delay;
-  -o-transition-delay: $delay;
-  -ms-transition-delay: $delay;
   transition-delay: $delay;
 }
 @mixin box-shadow($x: 0px, $y: 3px, $blur: 5px, $alpha: 0.5) {
-  -webkit-box-shadow: $x $y $blur rgba(0, 0, 0, $alpha);
-  -moz-box-shadow: $x $y $blur rgba(0, 0, 0, $alpha);
   box-shadow: $x $y $blur rgba(0, 0, 0, $alpha);
 }
 
@@ -30,18 +20,10 @@
   $bottomleft: 5px,
   $bottomright: 5px
 ) {
-  -webkit-border-radius: $topleft $topright $bottomright $bottomleft;
-  -moz-border-radius: $topleft $topright $bottomright $bottomleft;
   border-radius: $topleft $topright $bottomright $bottomleft;
 }
 
 @mixin transform($rotate: 90deg, $scale: 1, $skew: 1deg, $translate: 10px) {
-  -webkit-transform: rotate($rotate) scale($scale) skew($skew)
-    translate($translate);
-  -moz-transform: rotate($rotate) scale($scale) skew($skew)
-    translate($translate);
-  -o-transform: rotate($rotate) scale($scale) skew($skew) translate($translate);
-  -ms-transform: rotate($rotate) scale($scale) skew($skew) translate($translate);
   transform: rotate($rotate) scale($scale) skew($skew) translate($translate);
 }
 @mixin transform(
@@ -51,33 +33,15 @@
   $translateX: 0px,
   $translateY: 0px
 ) {
-  -webkit-transform: rotate($rotate) scale($scale) skew($skew)
-    translateX($translateX) translateY($translateY);
-  -moz-transform: rotate($rotate) scale($scale) skew($skew)
-    translateX($translateX) translateY($translateY);
-  -o-transform: rotate($rotate) scale($scale) skew($skew)
-    translateX($translateX) translateY($translateY);
-  -ms-transform: rotate($rotate) scale($scale) skew($skew)
-    translateX($translateX) translateY($translateY);
   transform: rotate($rotate) scale($scale) skew($skew) translateX($translateX)
     translateY($translateY);
 }
 @mixin transform-rotateY($rotate: 90deg) {
-  -webkit-transform: rotateY($rotate);
-  -moz-transform: rotateY($rotate);
-  -o-transform: rotateY($rotate);
-  -ms-transform: rotateY($rotate);
   transform: rotateY($rotate);
 }
 
 @mixin transform-rotate($rotate: 90deg, $time: 0.5s, $ease: linear) {
-  -webkit-transition: -webkit-transform $time $ease;
-  -moz-transition: -moz-transform $time $ease;
   transition: transform $time $ease;
-  -webkit-transform: rotate($rotate);
-  -moz-transform: rotate($rotate);
-  -o-transform: rotate($rotate);
-  -ms-transform: rotate($rotate);
   transform: rotate($rotate);
 }
 
@@ -136,33 +100,10 @@
     $endColor,
     100%
   );
-  background-image: -moz-linear-gradient(top, $startColor, $endColor);
-  background-image: -ms-linear-gradient(top, $startColor 0%, $endColor 100%);
-  background-image: -o-linear-gradient(top, $startColor, $endColor);
   background-image: linear-gradient(to bottom, $startColor 0%, $endColor 100%);
 }
 
 @mixin quick-gradient($origin: left, $alpha: 0.2) {
-  background-image: -webkit-linear-gradient(
-    $origin,
-    rgba(0, 0, 0, 0),
-    rgba(0, 0, 0, $alpha)
-  );
-  background-image: -moz-linear-gradient(
-    $origin,
-    rgba(0, 0, 0, 0),
-    rgba(0, 0, 0, $alpha)
-  );
-  background-image: -o-linear-gradient(
-    $origin,
-    rgba(0, 0, 0, 0),
-    rgba(0, 0, 0, $alpha)
-  );
-  background-image: -ms-linear-gradient(
-    $origin,
-    rgba(0, 0, 0, 0),
-    rgba(0, 0, 0, $alpha)
-  );
   background-image: linear-gradient(
     $origin,
     rgba(0, 0, 0, 0),
@@ -187,7 +128,6 @@
 
 @mixin line-clamp($numLines: 1) {
   overflow: hidden;
-  text-overflow: -o-ellipsis-lastline;
   text-overflow: ellipsis;
   display: block !important;
   /* autoprefixer: off */