html {
    position: relative;
    min-height: 100%;
}
body {
    margin-bottom: 120px;
}

footer{
    position: absolute;
    bottom: 0;
    width:100%;
    background-color: #f5f5f5;
    padding: 10px;
}

.social a {
    display: inline-block;
    font-size: 30px;
    width: 40px;
    color: #000000;
}