html, body { height: 100%; overflow: hidden; }
body {
    font-family: "Verdana", "Tahoma", "Lucida Grande", "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
    background: url(images/picBg.png) no-repeat center center fixed rgba(0,0,0,.4);
    background-size: cover;
}
.bg-blur {
            float: left;
            width: 100%;
            background-repeat: no-repeat;
            background-position: center;
            background-size: cover;
            -webkit-filter: blur(15px);
            -moz-filter: blur(15px);
            -o-filter: blur(15px);
            -ms-filter: blur(15px);
            filter: blur(15px);
        }
.form-control{height:37px;}
.main_box{position:absolute; top:45%; left:50%; margin:-200px 0 0 -180px; padding:0px 45px 15px; width:360px; height:400px; min-width:320px; border-radius:10px;background: #fff;}
.login_msg{height:53px;}
.input-group >.input-group-addon.code{padding:0;}
#captcha_img{cursor:pointer;}
.main_box .logo {
	width: 70px;
	height: 70px;
	border-radius: 50%;
	position: absolute;
	top: -75px;
	left: 50%;
	margin-left: -35px;
	/*background: #fff;*/
	box-shadow: 0 2px 6px #eee;
	color: #7ec3ca;
	line-height: 70px;
	text-align: center;
	font-weight: bold;
}
.main_box .logo img{
	width: 70px;
	height: 70px;
	border-radius: 50%;
}
input.form-control:focus {
	border:1px solid #ccc;
	border-left: none;
	box-shadow: none;
}
input.form-control {
	outline: none;
	border-left: none;
	box-shadow: none;
	padding: 6px 0;
}
.loginBtn {
	background: #5dd2d9;
	font-size: 16px;
	padding: 6px 0;
	width: 100%;
	height: 37px;
	color: #fff;
	border: 1px solid #5dd2d9;
	border-radius: 6px;
}
.loginBtn.weixin {
	background: #74be43;
	border: 1px solid #74be43;
}

button.btn.active, button.btn:active {
	box-shadow: none;
}
span.input-group-addon {
	background: #fff;
}
.bluefont {
	color: #58c0c1;
	cursor: pointer;
}
.marginTop25 {
	margin-top: 25px;
}
.marginBottom20 {
	margin-bottom: 20px;
}
@media (min-width: 768px) {
    .main_box {margin-left:-200px; padding:0px 45px 15px; width:390px;}
    .main_box .logo img{height:70px;}
}