滚动条自定义

	.material_pop .material_pop_list::-webkit-scrollbar {  
		width: 5px;  
		height: 4px;  
		background-color: #F5F5F5;  
	}  
	/*定义滚动条轨道 内阴影+圆角*/  
	.material_pop .material_pop_list::-webkit-scrollbar-track {  
		-webkit-box-shadow: inset 0 0 6px rgba(0,0,0,0.3);  
		background: #fff ;  
	}  
	/*定义滑块 内阴影+圆角*/  
	.material_pop .material_pop_list::-webkit-scrollbar-thumb {  
		border-radius: 3px;  
		-webkit-box-shadow: inset 0 0 6px rgba(0,0,0,.3);  
		background-color:rgba(000, 000, 000, 0.7);  
	}  
	.material_pop .material_pop_list::-webkit-scrollbar-thumb:hover {  
		border-radius: 3px;  
		-webkit-box-shadow: inset 0 0 6px rgba(0,0,0,.3);  
		background-color:rgba(7, 170, 247, 1);  
	}