.demo-form {
    max-width: 800px;
    margin: 30px auto;
    padding: 20px;
    background: rgba(255,255,255,0.8);
    border-radius: 10px;
}

.demo-form h2 {
    text-align: center;
    margin-bottom: 20px;
}

.form-row {
    display: flex;
    justify-content: space-between;
    gap: 20px;
}

.form-column {
    flex: 1;
}

.demo-form label {
    display: block;
    margin-top: 10px;
    font-weight: bold;
}

.demo-form input {
    width: 100%;
    padding: 8px;
    margin-top: 4px;
    border: 1px solid #ccc;
    border-radius: 5px;
}

.demo-form button {
    display: block;
    margin: 20px auto 0;
    padding: 10px 30px;
    border: none;
    background: #222;
    color: #fff;
    border-radius: 5px;
    cursor: pointer;
}