.alert {
    padding: 15px;
    border-radius: 4px;
    margin: 10px 0;
}

.success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

input:invalid,
textarea:invalid {
    border-color: #ff3860;
}

input:valid,
textarea:valid {
    border-color: #23d160;
}