.glowing::before{content:'';position:absolute;left:-2px;top:-2px;background:linear-gradient(45deg,#1d3557,#ff6600d9,#283618,#bc6c25,#606c38,#4a4e69,#6512b9,#ff3300de,#000000);background-size:400%;width:calc(100% + 5px);height:calc(100% + 5px);z-index:-1;animation:glower 20s linear infinite}@keyframes glower{0%{background-position:0 0}50%{background-position:400% 0}100%{background-position:0 0}}.mobile_menu_bar:before{color:#fff!important}