doc: update docs/css.md

jaywcjlove · Mar 4, 2023 · 3ddd8d7 · 3ddd8d7
1 parent 7facfea
commit 3ddd8d7
Showing 1 changed file with 14 additions and 0 deletions.
diff --git a/docs/css.md b/docs/css.md
@@ -1811,6 +1811,20 @@ div:has(h2):has(ul) {
 }
 ```
 
+### 获取 HTML 元素的属性
+
+```html
+<a href="https://example.com">超链接</a>
+```
+
+attr HTML 元素的属性名。
+
+```css
+a:after {
+  content: " (" attr(href) ")";
+}
+```
+
 另见
 ---------