.alert.success {
    background-color: #4CAF50;
}
.alert {
    padding: 20px;
    background-color: #f44336;
    color: white;
    width: 50%;
}
.alert {
    position: relative;
    padding: .75rem 1.25rem;
    margin-bottom: 1rem;
    border: 1px solid transparent;
    border-radius: .25rem;
}