.vertikal-zentrieren{display:flex;flex-direction:column;justify-content:center}Timeline:@media only screen and (max-width:767px){.dipl_item_content{width:100%!important;box-sizing:border-box}}@media only screen and (max-width:767px){.dipl_item_content{width:100%!important;box-sizing:border-box;margin-top:15px}}@media only screen and (max-width:767px){.dipl_stem_center{margin-bottom:15px!important}}