.col-centered{float:none;margin:0 auto}html,body{height:100%}.jumbotron.vertical-center{margin-bottom:0}.vertical-center{min-height:100%;min-height:100vh;display:block;align-items:center;width:100%;justify-content:center}.spacer{margin-top:30px}.vertical-align{display:flex;align-items:center}