.btn {
		display: inline-block;
		padding: 4px 12px;
		margin-bottom: 0;
		font-size: 14px;
		line-height: 20px;
		color: #333;
		text-align: center;
		text-shadow: 0 1px 1px rgba(255,255,255,0.75);
		vertical-align: middle;
		cursor: pointer;
		background-color: #f5f5f5;
		background-image: -moz-linear-gradient(top,#fff,#e6e6e6);
		background-image: -webkit-gradient(linear,0 0,0 100%,from(#fff),to(#e6e6e6));
		background-image: -webkit-linear-gradient(top,#fff,#e6e6e6);
		background-image: -o-linear-gradient(top,#fff,#e6e6e6);
		background-image: linear-gradient(to bottom,#fff,#e6e6e6);
		background-repeat: repeat-x;
		border: 1px solid #ccc;
		border-color: #e6e6e6 #e6e6e6 #bfbfbf;
		border-color: rgba(0,0,0,0.1) rgba(0,0,0,0.1) rgba(0,0,0,0.25);
		border-bottom-color: #b3b3b3;
		-webkit-border-radius: 4px;
		-moz-border-radius: 4px;
		border-radius: 4px;
		filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ffffffff',endColorstr='#ffe6e6e6',GradientType=0);
		filter: progid:DXImageTransform.Microsoft.gradient(enabled=false);
		-webkit-box-shadow: inset 0 1px 0 rgba(255,255,255,0.2),0 1px 2px rgba(0,0,0,0.05);
		-moz-box-shadow: inset 0 1px 0 rgba(255,255,255,0.2),0 1px 2px rgba(0,0,0,0.05);
		box-shadow: inset 0 1px 0 rgba(255,255,255,0.2),0 1px 2px rgba(0,0,0,0.05);
	}
	
	#invite_friend{
		width: 800px;
		height: 450px;
		background-image: url('../images/refer_friend_cover_2.jpg');
	}
	#invite_header{
		float: left;
		width: 800px;
		height: 214px;
	}

	#invite_content{
		float: left;
		width: 800px;	
	}
	#invite_form input[type='text']{
		padding: 10px;
		width: 310px;
	}
	#invite_form{
		float: right;
		margin-right: 37px;
	}
	#refer_message{
		display: none;
		background-color: white;
		padding: 25px;
		width: 800px;
	}
	#invite_friend{
		display: none;
	}
	#refer_message p{
		font-size: 16px;
	}

	#refer_active_message{
		display: none;
		background-color: white;
		padding: 25px;
		width: 800px;
	}
	#refer_active_message p{
		font-size: 16px;
	}