body {
    font-family: Arial, sans-serif;
    background-color: #2c3e50; /* Tono más oscuro */
    margin: 0;
    padding: 20px;
    color: white;
    text-align: center;
}

form {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 0 15px rgba(0, 0, 0, 0.2);
    max-width: 500px;
    margin: auto;
    color: black;
    text-align: left;
}

fieldset {
    border: 2px solid #ccc;
    border-radius: 8px;
    padding: 15px;
    margin-bottom: 20px;
}

legend {
    font-size: 18px;
    font-weight: bold;
}

input, select, textarea {
    width: calc(100% - 24px);
    padding: 12px;
    margin: 10px 0;
    border: 1px solid #ccc;
    border-radius: 6px;
    font-size: 16px;
    display: block;
}

textarea {
    resize: none;
    height: 120px;
}

input[type="submit"] {
    background-color: #28a745;
    color: white;
    cursor: pointer;
    border: none;
    padding: 12px;
    font-size: 18px;
    border-radius: 6px;
    width: 100%;
}

input[type="submit"]:hover {
    background-color: #218838;
}