:root {
    --sidebar-width: 20%;
}
section .sidebar {
    width: 100%;
    background-color: var(--hellgrau);
    color: var(--black);
    margin-bottom: 50px;
    word-break: break-word;
    hyphens: auto;
}
section .sidebar-navi {
    border: 0;
    border-top: 1px solid var(--hellgrau);
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
}
section .sidebar-navi.active {
    color: var(--black);
}
section .sidebar-navi.active a {
    color: var(--black);
}
section .sidebar-navi.sub-page {
    margin-left: 1em;
}
section .sidebar h3 {
    color: var(--black);
    margin: 0;
    font-size: 20px;
}
section .sidebar a {
    padding: 5px 0 5px 20px;
    display: inline-block;
    color: var(--black);
    transition: margin-left 0.5s ease-in;
}
section .sidebar i {
    padding-right: 20px;
}
section .sidebar a:focus,
section .sidebar a:hover {
    margin-left: 0.5em;
}
@media (min-width: 768px) {
    section .sidebar {
        width: var(--sidebar-width, 30%);
        margin: 0 2% 0 0;
    }
    section .sidebar + .content-wrapper {
        width: calc(98% - var(--sidebar-width, 30%))
    }
}