body {
    padding-top: 20px;
    padding-bottom: 20px;
    background-color: #eee;
}

.icon {
    stroke: unset;
    stroke-width: 0px;
    fill: currentColor;
    display: inline-block;
    width: 2em;
    height: 2em;
    vertical-align: -0.15em;
}

footer{
    position: fixed;
    bottom: 0;
    width: 100%;
    text-align:center;
    margin:0 auto;
    font-size: 12px;
}