footer {
    position: fixed;
    background: #6699AA;
    height: 30px;
    width: 100%;
    bottom: 0;
    border-top: 1px solid #CCCCCC;
    display: flex;
    justify-content: center;
    align-items: center;
}
footer p {
    margin: 0;
    color: #101010;
}