.banner .btn, .banner .dot {
		-webkit-filter: drop-shadow(0 1px 2px rgba(0,0,0,.3));
		-moz-filter: drop-shadow(0 1px 2px rgba(0,0,0,.3));
		-ms-filter: drop-shadow(0 1px 2px rgba(0,0,0,.3));
		-o-filter: drop-shadow(0 1px 2px rgba(0,0,0,.3));
		filter: drop-shadow(0 1px 2px rgba(0,0,0,.3));
	}
	
	.banner .dots {
		position: absolute;
		left: 0;
		right: 0;
		bottom: 20px;
	}
		.banner .dots li {
			display: inline-block;
			width: 10px;
			height: 10px;
			margin: 0 4px;
			
			text-indent: -999em;
			
			border: 2px solid #fff;
			border-radius: 6px;
			
			cursor: pointer;
			opacity: .4;
			
			-webkit-transition: background .5s, opacity .5s;
			-moz-transition: background .5s, opacity .5s;
			transition: background .5s, opacity .5s;
		}
			.banner .dots li.active {
				background: #fff;
				opacity: 1;
			}