body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background-color: #f4f4f4;
}

.principal-container {
    padding: 20px;
    text-align: center;
    max-width: 400px; 
    width: 100%;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    
}

.grupos {
    margin-bottom: 15px;
    text-align: left;
}

.label {
    display: block;
    font-weight: bold;
    margin-bottom: 5px;
}

.input-field {
    width: 100%;
    border-radius: 4px;
    font-size: 16px;
    padding: 10px;
    border: 1px solid #ccc;
    box-sizing: border-box;
}

.pagar-boton {
    background-color: #7519c0;
    color: #fff;
    border: none;
    cursor: pointer;
    font-size: 16px;
    padding: 10px 20px;
    border-radius: 5px;
    text-transform: uppercase;
    font-weight: bold;
}