#main-header{background-color:transparent;transition:all 0.3s ease}#main-header.scrolled{background-color:rgba(255,255,255,0.95);box-shadow:0 2px 10px rgba(0,0,0,0.1)}#main-header.scrolled .et-menu a{color:#000!important}#main-header{transition:top 0.3s ease,background-color 0.3s ease}