html,body{height:100%}body{background:url(../img/login_background.jpg) center bottom}.zx-container-outer{display:table;position:absolute;height:100%;width:100%}.zx-container-inner{display:table-cell;vertical-align:middle;padding-left:10px;padding-right:10px}.card-panel{max-width:350px;margin:0 auto;padding:0 .75rem}