body {
    background: url('../resources/bluesky.jpg') no-repeat center center fixed;
    background-size: cover;
}
 
.panel-default {
    opacity: 0.9;
    margin-top: 30px;
}

.form-group.last {
    margin-bottom: 0px;
}

.modal-footer {
    border-top: 0px;
}

form-align-center {
    text-align: center;
} 

.card {
    opacity: 0.9;
    margin-top: 30px;
}