body {
    margin: 0;
    font-family: sans-serif;
    background: url('./assets/marbles-and-rats.jpg') no-repeat center center fixed;
    background-size: cover;
    color: #fff;
}

.wrapper {
    /*background: rgba(255, 255, 255, 0.85);*/
    /*background: rgba(0, 0, 0, 0.15);*/
    min-height: 100vh;
    padding: 40px 20px;
    /* Centratura degli elementi figli */
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* Intestazione, Titolo, Sottotitolo*/



/* Bottone */
.btn {
    font-size: 1.5rem;
    padding: 12px 24px;
    background: #e63e00;
    color: #ddd;
    border: none;
    cursor: pointer;
    border-radius: 4px;
    margin-bottom: 40px;
    font-weight: bolder;
}

.btn:hover {
    background: #ff4500;
}

/* 3 Colonne */
.container-colonne {
    display: flex;
    gap: 20px;
    width: 100%;
    max-width: 1000px;
}

.colonna {
    flex: 1;
    background: rgba(0, 0, 0, 0.75);
    padding: 15px;
    border-radius: 8px;
}

/* Accordion */
details {
    margin-bottom: 10px;
    border-bottom: 1px solid #ccc;
    padding: 5px;
    text-align: left;
}

footer {
    background: rgba(0, 0, 0, 0.75);
    border-radius: 8px;
    margin-top: 100px;
    padding: 10px;
    text-align: center;
    font-size: 0.75rem;
    width: 100%;
}
canvas { width: 100%; height: 100%; touch-action: none; }