hotfix: 微调代码框显示效果

custom.css

@@ -124,7 +124,7 @@ pre code {
     white-space: pre;
     background-color: hsla(0, 0%, 0%, 80%)!important;
     border-radius: 10px;
-    padding: 1rem 1.2rem 1rem;
+    padding: 1.4em 1.2em 0em 1.4em;
     margin: 1.2em 2em 1.2em 0.5em;
     color: #FFF;
     box-shadow: 6px 6px 16px hsla(0, 0%, 0%, 0.2);