.menu-item{text-decoration:none;position:relative}.menu-item:after{content:"";background-color:var(--bg-accent);width:0;height:3px;transition:width .3s;position:absolute;bottom:-8px;left:0}.menu-item:hover:after,.menu-item:focus:after{width:100%}.active-menu-item{position:relative}.active-menu-item:after{content:"";background-color:var(--bg-accent);width:100%;height:3px;position:absolute;bottom:-8px;left:0}