body {
    background-color: #f5f5f5;
}

.container {
    margin-top: 50px;
}

.btn-dark-red {
    background-color: #8b0000;
    color: white;
}

.alert-danger {
    background-color: #ffcccc;
    color: #8b0000;
    border-color: #8b0000;
}

.alert-success {
    background-color: #ccffcc;
    color: #006400;
    border-color: #006400;
}

.btn-danger {
    color: #fff;
    background-color: #8b0000;
    border-color: #8b0000;
}