#dangky{
	width: 35%;
	min-height: 600px;
	border: 1px solid #CCC;
	margin: auto;
	margin-top:80px;
}
#dangky h2{
	text-align: center;
	margin-top: 40px
}
#dangky i{
	float: right;
	color: black
}
.txt{
	width:80%;
	height: 40px;
	line-height: 5px;
	margin: 10px 35px
}

.dangky{
	float: left; 
	color: blue;
	display: block; 
	min-width: 90px;
	height: 35px;
	margin: 10px 35px;
	width: 80%;
	height: 30px;
}
.btn{
	width: 80%;
	height: 30px;
}