div.well{height:250px}.Absolute-Center{margin:auto;position:absolute;top:0;left:0;bottom:0;right:0}.Absolute-Center.is-Responsive{width:50%;height:50%;min-width:200px;max-width:400px;padding:40px}#logo-container{margin:auto;margin-bottom:10px;width:200px;height:30px}