.primera-contenedor-header{display:block;float:none !important;position:relative;max-width:970px;margin:0 auto !important;padding:0 15px}@media(max-width:768px){.primera-contenedor-header{display:block !important}.primera-contenedor-header .span12{width:100% !important}}.aligner_item_top{align-self:flex-start}.aligner_item_bottom{align-self:flex-end}.aligner_item_middle{align-self:auto}