main{position:absolute;margin:0;top:50%;left:50%;transform:translate(-50%,-50%)}#form-signin{margin:5px auto 35px auto;width:500px}#form-signin .card{margin:5px auto}#form-signin .card .card-header{padding:.75rem}#form-signin .card form{margin-top:10px;margin-bottom:10px}#form-signin .card form .row{margin-top:.2rem}#form-signin .card form .row .form-group{margin-top:0;margin-bottom:.25rem}#form-signin .card form .row .form-text{line-height:.85rem;min-height:.85rem}#form-signin .card form .has-icon .form-control-icon{position:absolute;width:1.5rem;padding-left:.5rem;line-height:2.5rem}#form-signin .card form .has-icon .form-control{padding-left:2rem;padding-right:.75rem}