修复因边距导致代码块与行号对不齐的问题 (#2294)

* 修改代码块边距

* Update src/data/extra/themes/vue-light/web.css

Co-authored-by: Le Tan <[email protected]>

src/data/extra/themes/vue-light/web.css

@@ -109,7 +109,8 @@ pre {
 code {
     font-family: "YaHei Consolas Hybrid", Consolas, Monaco, "Andale Mono", Monospace, "Courier New";
     color: #e96900;
-    padding: 2px 4px;
+    padding: 0 4px;
+    margin: 4px 0;
     border-radius: 2px;
     background-color: #f8f8f8;
     word-break: break-word;