.loginKey{
	width:16px;
	height:16px;
	position:absolute;
	right:3px;
	bottom:2px;
}

.loginKey a{
	opacity:0.5;
}

.loginKey a:hover{
	opacity:1;
}

.codeShell{
	width:80%;
	height:40px;
	background-color:#000000;
	color:#FFFFFF;
	margin:auto;
	
}