@import url(https://fonts.googleapis.com/css?family=PT+Sans);*,:after,:before{-webkit-box-sizing:border-box;-moz-box-sizing:border-box;box-sizing:border-box}.btn-animation::after,.btn-animation::before{content:"";width:0;height:2px;position:absolute;transition:all .2s linear;background:#fff}.span-animation::after,.span-animation::before{content:"";width:2px;height:0;position:absolute;transition:all .2s linear;background:#fff}.btn-animation:hover::after,.btn-animation:hover::before{width:100%}.btn-animation:hover span::after,.btn-animation:hover span::before{height:100%}.btn-3::after{left:0;bottom:0;transition-delay:.6s}.btn-3 .span-animation::after{transition-delay:.4s;right:0;bottom:0}.btn-3::before{right:0;top:0;transition-delay:.2s}.btn-3 .span-animation::before{transition-delay:0s;left:0;top:0}.btn-3:hover::after{transition-delay:0s}.btn-3:hover .span-animation::after{transition-delay:.2s}.btn-3:hover::before{transition-delay:.4s}.btn-3:hover span::before{transition-delay:.6s}