:root {

}

html {
    position: relative;
    min-height: 100%;
}

body {
  margin-bottom: 60px; /* Margin bottom by footer height */
}

footer {
    position: absolute;
    bottom: 0;
    width: 100%;
    height: 60px;
    line-height: 60px;
    background-color: #f5f5f5;
}