body { font-family: helvetica; display: flex ; flex-direction: column; align-items: center; max-width: 100%; overflow-x: hidden; background: url('/img/bg-white.jpg') no-repeat fixed; background-size: cover; height: 100%; } /* height = height */ body { margin: 0; height: 100%; } .mainContentCenter { max-width: 800px !important; justify-items: center; } .smallIcons { height: 34px; width:34px; }