Template:Tongji-Software/test/css/text.css

.Vbtn-4 { letter-spacing: 0; transition: all 150ms linear 0s; float:left; } .Vbtn-4:after, .Vbtn-4:before { -webkit-backface-visibility: hidden; backface-visibility: hidden; border: 1px solid rgba(255, 255, 255, 0); bottom: 0px; content: " "; display: block; margin: 0 auto; position: relative; -webkit-transition: all 280ms ease-in-out; transition: all 280ms ease-in-out; width: 0; } .Vbtn-4:hover:after, .Vbtn-4:hover:before { -webkit-backface-visibility: hidden; backface-visibility: hidden; border-color: #666; -webkit-transition: width 350ms ease-in-out; transition: width 350ms ease-in-out; width: 70%; }