a { border-bottom: 3px solid rgba(0,157,220,0); transition: border-color .5s linear; -moz-transition: border-color .5s linear; -webkit-transition: border-color .5s linear; }
a:hover { border-bottom: 3px solid #009ddc; }
a { border-bottom: 3px solid rgba(0,157,220,0); transition: border-color .5s linear; -moz-transition: border-color .5s linear; -webkit-transition: border-color .5s linear; }
a:hover { border-bottom: 3px solid #009ddc; }