.footer {
    background-color: lightgray;
    position: fixed;
    bottom: 0;
    width: 100vw;
    padding-left: 20px;
    padding-right: 20px;
    box-sizing: border-box;
    border-top: 1px gray solid;
    z-index: 10;
}

.footer > ul {
    list-style-type: none;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    padding-left: 0;  /* Anpassung, um doppeltes Padding zu vermeiden */
    padding-right: 0; /* Anpassung, um doppeltes Padding zu vermeiden */
}

.footer > ul > li {
    padding: 5px;
    flex: 1;
    text-align: center;
}