.card {
    margin: 5rem auto;
    width: 500px;
}

.card-header, .card-body, .card-footer {
    text-align: center;
}

.card-footer {
    color: red;
    border-top: none !important;
}

.form-group {
    margin-top:10%;
    margin-bottom: 5%;
    text-align: center;
}

.row {
    padding: 5%;
}