.container
{
    display: grid;
    grid-template-columns: 1fr;
    position: relative;
    padding: 0 220px;
    min-height: 300px;
}

.container::before
{
    content: "";
    position: absolute;
    left: -200px;
    top: 420px;
    transform: translateY(-50%);
    width: 200px;
    height: 900px;
    background-image: url('links.png');
    background-size: contain;
    background-repeat: no-repeat;
}

.container::after {
    content: "";
    position: absolute;
    right: -200px;
    top: 420px;
    transform: translateY(-50%);
    width: 200px;
    height: 900px;
    background-image: url('rechts.png');
    background-size: contain;
    background-repeat: no-repeat;
}