.pane-content {
    justify-items: center;
    grid-template-rows: auto 1fr;
}

.pane-left-section {
    width: 312px;
    grid-column: 1 / -1;
}

.pane-left-section > :not(:last-child) {
    margin-bottom: .25rem;
}

.pane-right-section {
    width: 312px;
    grid-column: 1 / -1;
}

.pane-right-section > :not(:last-child) {
    margin-bottom: .5rem;
}

@media (min-width: 768px) {
    .pane-content {
        max-width: 768px;
        grid-template-rows: repeat(3, auto);
    }

    .pane-left-section {
        grid-row: 2;
        grid-column: 2 / span 5;
    }

    .pane-right-section {
        grid-row: 2;
        grid-column: 8 / span 4;
    }
}

@media (min-width: 1024px) {
    .pane-content {
        max-width: 1024px;
    }

    .pane-left-section {
        grid-column: 3 / span 4;
    }

    .pane-right-section {
        grid-column: 7 / span 4;
    }
}

@media (min-width: 1280px) {
    .pane-content {
        max-width: 1280px;
    }
}