div.dexp-body-inner.default {
    display: -webkit-box;      /* OLD - iOS 6-, Safari 3.1-6 */
    display: -ms-flexbox;      /* TWEENER - IE 10 */
    display: -webkit-flex;     /* NEW - Chrome */
    display: flex;             /* NEW, Spec - Opera 12.1, Firefox 20+ */
    min-height: 100vh;
    height: 100vh;
    flex-direction: column;
    -ms-flex-direction: column;
    -webkit-flex-direction: column;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    
}

#section-main-content {
    -webkit-flex: 1 1 auto;
    -webkit-box-flex: 1;
    -ms-flex: 1 1 auto;
    flex: 1 1 auto;
    overflow-y: auto;
}

#section-bottom, #section-footer, .sticky-wrapper {
     flex: 0 0 auto;
     -webkit-flex: 0 0 auto;
     -webkit-box-flex: 0;
     -ms-flex: 0 0 auto;
}