.alert {
    border: 1px solid transparent;
    border-radius: .25rem;
    margin: 1rem 0;
    padding: .75rem 1.25rem;
    position: relative;
    width: 100%;
}
.alert-danger {
    background-color: #f8d7da;
    border-color: #f5c6cb;
    color: #721c24;
}
.alert-success {
    background-color: #d4edda;
    border-color: #c3e6cb;
    color: #155724;
}