.topnav li a{position:relative;z-index:0;cursor:pointer}.topnav li a:before,.topnav li a:after{position:absolute;top:50%;left:50%;width:35px;height:35px;border:4px solid #0277bd;transform:translateX(-50%) translateY(-50%) scale(0.8);border-radius:50%;background:transparent;content:"";opacity:0;transition:all .3s;z-index:-1}.topnav li a:after{border-width:2px;transition:all .4s}.topnav li a:hover:before{opacity:1;transform:translateX(-50%) translateY(-50%) scale(1)}.topnav li a:hover:after{opacity:1;transform:translateX(-50%) translateY(-50%) scale(1.3)}