#form {
    max-width: 600px;
    margin: 0 auto;
    background-color: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}
#form  sup{
    left: -.1em;
    color: red;
    font-size: 1rem;
    top: -.2em;
}
#form .form-group {
    margin-bottom: 20px;
}

#form label:not(.opt) {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
    color: #333;
}

#form input[type="text"], input[type="email"], input[type="date"], input[type="tel"], input[type="password"], select {
    width: 100%;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 16px;
    box-sizing: border-box;
    margin-bottom: 10px;
}

#form input[type="radio"] {
    margin-left: 10px;
}

#form .form-group small {
    display: block;
    margin-top: -10px;
    margin-bottom: 10px;
    color: #666;
}

#form button {
    width: 100%;
    padding: 12px;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    cursor: pointer;
    margin-top: 20px;
}

#form button:hover {
    background-color: #45a049;
}

.alert {
    margin-top: 10px;
}