.valign-bottom,.valign-center,.valign-middle{height:100%;width:100%}.valign-bottom .columns,.valign-bottom [class*=column]+[class*=column]:last-child,.valign-center .columns,.valign-center [class*=column]+[class*=column]:last-child,.valign-middle .columns,.valign-middle [class*=column]+[class*=column]:last-child{float:none}.valign-middle{display:table}.valign-middle .columns{display:table-cell;vertical-align:middle}.valign-center{display:table}.valign-center .columns{display:table-cell;vertical-align:middle}.valign-bottom{display:table}.valign-bottom .columns{display:table-cell;vertical-align:bottom}