body { 
    display: flex;
    flex-direction: row;
    align-items: flex-start;
    margin: 2em;
    background: #222;

    color: #ddcc77;
    overflow: hidden;
}

section {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    margin: 0 2em;
}

.toggle-area {
    margin-top: 2em;
}

.toggle-content {
    display: none;
}

.toggle-area input:checked ~ .toggle-content {
    display: block;
}