.contenedor-grafica {
    max-width: 90ch;
    width: 90vw;
    min-height: 200px;
    max-height: 45ch;
    height: 45vw;
    margin-bottom: 40px;
}

section {
    position: relative;
    min-height: 72px;
}

section.cargando::after {
    position: absolute;
    left: 0;
    right: 0;
}

.galeria {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(18ch, 30ch));
    gap: 15px;
    margin-bottom: 30px;
}

.tarjeta {
    --parent-color: var(--container-color);
    padding: 20px;
    background-color: var(--container-color);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    box-shadow:
        0 0 2px rgba(0, 0, 0, 0.12),
        0 2px 4px rgba(0, 0, 0, 0.14);
}