:bug:

src/assets/icons/export.svg

@@ -0,0 +1,3 @@
+<svg version="1.1" xmlns="http://www.w3.org/2000/svg" width="32" height="32" viewBox="0 0 32 32">
+<path d="M24 25.279h-20.8v-14.4h4.152c0 0 1.102-1.434 3.472-3.2h-9.224c-0.885 0-1.6 0.718-1.6 1.6v17.6c0 0.885 0.715 1.6 1.6 1.6h24c0.885 0 1.6-0.715 1.6-1.6v-5.994l-3.2 2.632v1.762zM21.378 14.159v5.682l10.622-8.322-10.622-7.998v5.010c-12.898 0-12.898 12.749-12.898 12.749 3.651-5.997 5.898-7.12 12.898-7.12z"></path>
+</svg>

src/assets/scss/_reset.scss

@@ -161,7 +161,7 @@
       border-spacing: 0;
 
       tr {
-        background-color: var(--textarea-background-color);
+        background-color: #fafbfc;
         border-top: 1px solid #c6cbd1;
       }
 
@@ -177,7 +177,7 @@
       }
 
       tbody tr:nth-child(2n) {
-        background-color: var(--panel-background-color);
+        background-color: #fff;
       }
     }
 
@@ -190,13 +190,13 @@
       word-break: break-word;
       background-size: 20px 20px;
       white-space: pre-wrap;
-      background-color: var(--code-background-color);
+      background-color: rgba(27, 31, 35, .05);
 
       &.language-mermaid,
       &.language-math,
       &.language-graphviz,
       &.language-echarts {
-        background-color: var(--preview-background-color);
+        background-color: rgba(27, 31, 35, .02);
       }
     }
 
@@ -226,7 +226,7 @@
       line-height: 10px;
       color: #24292e;
       vertical-align: middle;
-      background-color: var(--textarea-background-color);
+      background-color: #fafbfc;
       border: solid 1px #d1d5da;
       border-radius: 3px;
       box-shadow: inset 0 -1px 0 #d1d5da;