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<html>
<head>
    <title>改变滚动条的颜色</title>
<style>
	.inner{
		width: 265px;
		height: 400px;
		position: absolute;
		top: 33px;
		left: 13px;
		/*cursor: pointer;*/
		overflow:hidden;
	}
	.innerbox{
		overflow-x: hidden;
		overflow-y: auto;
		color: #000;
		font-size: .7rem;
		height: 100%;
	}
	.innerbox::-webkit-scrollbar {/*滚动条整体样式*/
		width: 10px; /*高宽分别对应横竖滚动条的尺寸*/
		height: 4px;
	}
	.innerbox::-webkit-scrollbar-thumb {/*滚动条里面小方块*/
		border-radius: 10px;
		-webkit-box-shadow: inset 0 0 5px rgba(0,0,0,0.2);
		background: rgba(255,255,255,0.5);
	}
	.innerbox::-webkit-scrollbar-track {/*滚动条里面轨道*/
		-webkit-box-shadow: inset 0 0 5px rgba(0,0,0,0.2);
		border-radius: 0;
		background: rgba(0,0,0,0);
	}
	/*核心代码*/
</style>
</head>
<body>
<div class="inner" style="background:#fff">
	<div class="innerbox">
		<p style="height:200px;">111</p>
		<p style="height:600px;">222</p>
		<p>333</p>
	</div>
</div>
</body>
</html>