add

jikeytang · jikeytang · commit d8738bf8a0a5 · 2022-09-13T10:24:21.000+08:00
diff --git a/css.md b/css.md
@@ -389,3 +389,32 @@ window.addEventListener("onorientationchange" in window ? "orientationchange" :
 	- [css的变量和继承](http://www.haorooms.com/post/css_inherit_bl)
 	- [css3的混合模式](http://www.haorooms.com/post/css3_mixblendmode)
 	- [css中伪元素before或after中content的特殊用法attr](http://www.haorooms.com/post/content_attr)
+
+- 美化滚动条
+```css
+::-webkit-scrollbar {
+  width: 6px;
+  height: 6px;
+}
+
+::-webkit-scrollbar-track {
+  width: 6px;
+  background: rgba(#101F1C, 0.1);
+  -webkit-border-radius: 2em;
+  -moz-border-radius: 2em;
+  border-radius: 2em;
+}
+
+::-webkit-scrollbar-thumb {
+  background-color: rgba(#101F1C, 0.5);
+  background-clip: padding-box;
+  min-height: 28px;
+  -webkit-border-radius: 2em;
+  -moz-border-radius: 2em;
+  border-radius: 2em;
+}
+
+::-webkit-scrollbar-thumb:hover {
+  background-color: rgba(#101F1C, 1);
+}
+```
