.sisukord a {
    display: block !important;
    position: relative;
}

.sisukord a.toc-active {
    padding-left: 10px !important;
}

.sisukord a.toc-active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 2px;
    height: 1em;
    background-color: currentColor;
}