.footer {
    position:fixed;
    display: table;
    text-align: center;
    bottom:0;
    left:0;
    width:100%;
    height: 50px;
    max-height: 10%;
    border-top-width: 1px;
    border-top-style: solid;
    background-color:white;
    }
    .center-vertical{
        display: table-cell;
        vertical-align: middle;
    }
    .a1{
    color: black;
    text-decoration: none;
    }
    .a1:hover{
    color: rgb(82, 82, 72);
}