/*浮动返回按钮*/

	#touch {
		width: 34px;
		height: 34px;
		text-align: center;
		border-radius: 50%;
		background-color: rgba(150, 150, 150, .5);
		position: fixed;
		bottom: 7em;
		right: 1em;
		padding-top: 5px;
		z-index: 999;
		margin: 0 auto;
	}

	#touch img {
		width: 1.3em;
		height: 1.3em;
	}

	#mePics {
		width: 34px;
		height: 34px;
		text-align: center;
		border-radius: 50%;
		background-color: rgba(150, 150, 150, .5);
		position: fixed;
		bottom: 4.5em;
		right: 1em;
		padding-top: 5px;
		z-index: 999;
		margin: 0 auto;
	}

	#mePics img {
		width: 1.3em;
		height: 1.3em;
	}

	#homePics {
		width: 34px;
		height: 34px;
		text-align: center;
		border-radius: 50%;
		background-color: rgba(150, 150, 150, .5);
		position: fixed;
		bottom: 2em;
		right: 1em;
		padding-top: 5px;
		z-index: 999;
		margin: 0 auto;
	}

	#homePics img {
		width: 1.3em;
		height: 1.3em;
	}