.knowbase .kategorien_liste {
    display: inline-block;
    vertical-align: top;
    width: 200px;
    margin-right: 8px;
    background-color: #fff;
    border-radius: 8px;
    overflow-y: scroll;
    height: 100%;
}



.knowbase_kategorie {
    padding: 8px 16px;
    border-bottom: 1px solid #b7b7b7;
    cursor: pointer;
    transition: background-color 0.3s;
}

.knowbase_kategorie:hover {
    background-color: #d9ffc4;
}



.knowbase .artikel_liste {
    display: inline-block;
    vertical-align: top;
    width: calc(100% - 213px);
    background-color: #fff;
    border-radius: 8px;
    overflow-y: scroll;
    height: 100%;
}