#back {
    height: 100vh;
    font-family: "Open Sans", sans-serif;
    /* Permalink - use to edit and share this gradient: http://colorzilla.com/gradient-editor/#bea2e7+0,86b7e7+100 */
    background: #bea2e7;
    /* Old browsers */
    background: -moz-linear-gradient(top, #bea2e7 0%, #86b7e7 100%);
    /* FF3.6-15 */
    background: -webkit-linear-gradient(top, #bea2e7 0%, #86b7e7 100%);
    /* Chrome10-25,Safari5.1-6 */
    background: linear-gradient(to bottom, #bea2e7 0%, #86b7e7 100%);
    /* W3C, IE10+, FF16+, Chrome26+, Opera12+, Safari7+ */
    filter: progid: DXImageTransform.Microsoft.gradient( startColorstr='#bea2e7', endColorstr='#86b7e7', GradientType=0);
    /* IE6-9 */
    background-attachment: fixed;
}