span.mobile_menu_bar:before{color:#DE0EBE}h1{font-size:36px;font-weight:bold;position:relative;padding:5px 0}h1::before{content:"";position:absolute;left:0;bottom:0;width:0;height:3px;background-color:#FFD700;transition:width 0.3s ease}h1:hover::before{width:100%}