body {
    font-family: Arial, sans-serif;
    background-color: #f2f2f2;
    margin: 0;
    padding: 30px;
}

.contenedor {
    max-width: 420px;
    margin: 0 auto;
    background: #fff;
    padding: 25px 30px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

.contenedor.ancho {
    max-width: 900px;
}

h2 {
    text-align: center;
    color: #333;
}

label {
    display: block;
    margin-top: 12px;
    margin-bottom: 4px;
    font-weight: bold;
    color: #555;
}

input, select {
    width: 100%;
    padding: 8px;
    box-sizing: border-box;
    border: 1px solid #ccc;
    border-radius: 4px;
}

button {
    margin-top: 20px;
    width: 100%;
    padding: 10px;
    background-color: #6a1b9a;
    color: #fff;
    border: none;
    border-radius: 4px;
    font-size: 15px;
    cursor: pointer;
}

button:hover {
    background-color: #4a148c;
}

table {
    margin-top: 15px;
    border-collapse: collapse;
}

th {
    background-color: #6a1b9a;
    color: #fff;
}

a {
    color: #6a1b9a;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

ul {
    line-height: 2;
}