/* Подвал */
footer {
    text-align: left;
    padding: 10px 0;
    width: 100%;
    display: flex;
    position: absolute;
    bottom: 20px;
    z-index: 4;
}

footer p {
    margin: 0;
    line-height: 1.5;
    margin-left: 20px;
}