body {
     margin: 0;
     padding: 0;
     text-align: center;
}
.bg-login {
     width: 100%;
     height: 100%;
     position: fixed;
     z-index: 1;
     float: left;
     left: 0;
}

.ct-login {
     height: auto;
     width:400px;
     margin: 0 auto;
     position: relative;
     z-index: 5;
     padding: 30px;
     text-align: left;
}

.bd-login {
     margin: 25% auto;
}

.bayangan {  
     box-shadow: 3px 4px 0px 0px #1564ad;
     background:linear-gradient(to top, #87CEFA 5%, #378de5 100%);
     background-color:#79bbff;
     border-radius:5px;
     border:1px solid #337bc4;
     cursor:pointer;
}