body {
    background: #f1f1f1;
}		
.login-box{
    width: 600px;
    background: #fff;
    position: relative;
    margin:0 auto;
    margin-top:10%;
    padding: 20px;
}
.form-group:after {
    content: '';
    margin-bottom:1rem;
    display: block;
    width: 1px;
}
.login-box:after {
    content: '';
    display: block;
    width: 1px;
    clear: both;
    margin-bottom:20px;
}
h3{
    margin-top:20px;
}