body, html{
    margin: 0;
    padding: 0;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-family: Arial, sans-serif;
}

.trocador-de-cores{
    text-align: center;
    padding: 20px;
    border: 1px, solid #000;
    border-radius: 8px;
}

button {
    padding: 10px 20px;
    font-size: 16px;
    cursor: pointer;
}