.footer{
    height: 5rem;
    background: #6fb7f1;
    bottom: 0;
    right: 0;
    left: 0;
    position:fixed;
}

ul {
    display: flex;
    justify-content: center;
    font-family: Arial, Verdana;
    font-size: 14px;
    margin: 0 auto;
    padding: 0;
    margin-top: 33px;
    /* width:600px; */
    list-style: none;
}

ul li {
    display: block;
    position: relative;
    float: left;
    margin-left: 15px;
    padding: 0px 5px;
    cursor: pointer;
}