#menu-main li a{position:relative;display:inline-flex;justify-content:center;padding-bottom:50px}#menu-main li a::after{content:"";position:absolute;bottom:30px;left:50%;transform:translateX(-50%);width:0;height:3px;background:linear-gradient(to right,#1a7c7f,#279a9f);border-radius:3px;transition:width 0.5s ease;pointer-events:none}#menu-main li a:hover::after{width:100%}