#main-header .nav li a{position:relative;transition:all 0.3s ease;overflow:hidden;padding:10px 0}#main-header .nav li a::before{content:"";position:absolute;left:0;bottom:0;width:100%;height:0%;background:#27AE60;z-index:-1;transition:all 0.3s ease-in-out}#main-header .nav li a:hover::before{height:100%}#main-header .nav li a:hover{color:#fff!important}#main-header .nav li a{color:#fff}