html,
 body {
 	margin: 0;
 	padding: 0;
 	font-family: Microsoft YaHei;
 	overflow-x: hidden;
 	font-size: 14px;
 }
 
 * {
 	margin: 0;
 	padding: 0;
 }
 .f1{
 	background-color: #F3F3F3;
 	padding: 20px 0;
 	height: 100%;
 }
 .container{
  background-color: white;
 }
 .container h3{
 	color: green;
 }

 .form-horizontal h2 {
 	padding: 20px 0;
 }
 
 .form-horizontal .form-control {
 	width: 100%;
 }
 
 .form-horizontal .form-control-feedback {
 	padding-left: 20px;
 	color: red;
 	font-size: 12px;
 }