main {
    width: 100%;
    max-width: 600px;
    margin: 5rem auto;
}

.amigos {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 10px;
    align-items: start;
    max-width: 100%;
}

figure {
    border: 1px var(--destaque-dois) solid;
    display: flex;
    flex-flow: column;
    padding: 5px;
    width: 100%;
    margin: 0;
}

img {
    width: 100%;
    height: auto;
    border: 1px var(--destaque-dois) solid;
}

figcaption {
    font-size: .8rem;
    font-style: italic;
    text-align: center;
    color: white;
    background-color: var(--principal);
    padding: 3px;
}

details {
    border-radius: 4px;
    padding: 0.5em 0.5em 0;
    border: 1px var(--destaque-dois) solid;
    margin-bottom: 15px;
}

summary {
    font-weight: bold;
    margin: -0.5em -0.5em 0;
    padding: 0.5em;
}

details[open] summary {
    border-bottom: none;
    margin-bottom: 0.5em;
}

details p {
    border: 1px solid var(--principal);
    background-color: white;
    padding: 10px;
}

details img {
    border: 1px solid var(--principal);
    padding: 5px;
    background-color: white;
}

@media (max-width: 768px) {
    main {
        margin: 2rem 1rem;
    }

    .amigos {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .amigos>div:first-child {
        text-align: center;
    }

    .amigos p[style] {
        width: 100% !important;
        padding: 0 10px;
    }

    figure {
        max-width: 100%;
    }
}

@media (max-width: 480px) {
    body {
        font-size: 14px;
    }

    summary {
        font-size: 1rem;
    }

    details p {
        font-size: .9rem;
        height: auto;
    }

    details img {
        max-width: 100%;
        height: auto;
    }
}