@import 'https://fonts.googleapis.com/css?family=Source+Sans+Pro:700'; $font:'Source Sans Pro', sans-serif; $primary:#FF0072; $second:#644cad; $third:#4426a8; *, *::before, *::after { -webkit-box-sizing: border-box; -moz-box-sizing: border-box; box-sizing: border-box; } html, body{ height:100%; width: 100%; } body { padding:0px; margin:0; font-family:$font; background: #F5F0FF; -webkit-font-smoothing: antialiased; } .dark { background:#24252A; } .flex { min-height:50vh; display:flex; align-items:center; justify-content:center; } a.bttn { color:$primary; text-decoration:none; -webkit-transition:0.3s all ease; transition:0.3s ease all; &:hover { color:#FFF; } &:focus { color:#FFF; } } a.bttn-dark { color:$second; text-decoration:none; -webkit-transition:0.3s all ease; transition:0.3s ease all; &:hover { color:#FFF; } &:focus { color:#FFF; } } .bttn { font-size:18px; letter-spacing:2px; text-transform:uppercase; display:inline-block; text-align:center; width:270px; font-weight:bold; padding:14px 0px; border:3px solid $primary; border-radius:2px; position:relative; box-shadow: 0 2px 10px rgba(0,0,0,0.16), 0 3px 6px rgba(0,0,0,0.1); &:before { -webkit-transition:0.5s all ease; transition:0.5s all ease; position:absolute; top:0; left:50%; right:50%; bottom:0; opacity:0; content:''; background-color:$primary; z-index:-2; } &:hover { &:before { -webkit-transition:0.5s all ease; transition:0.5s all ease; left:0; right:0; opacity:1; } } &:focus { &:before { transition:0.5s all ease; left:0; right:0; opacity:1; } } } .bttn-dark { font-size:18px; letter-spacing:2px; text-transform:uppercase; display:inline-block; text-align:center; width:270px; font-weight:bold; padding:14px 0px; border:3px solid $second; border-radius:2px; position:relative; box-shadow: 0 2px 10px rgba(0,0,0,0.16), 0 3px 6px rgba(0,0,0,0.1); z-index:2; &:before { -webkit-transition:0.5s all ease; transition:0.5s all ease; position:absolute; top:0; left:50%; right:50%; bottom:0; opacity:0; content:''; background-color:$second; z-index:-1; } &:hover { &:before { -webkit-transition:0.5s all ease; transition:0.5s all ease; left:0; right:0; opacity:1; } } &:focus { &:before { -webkit-transition:0.5s all ease; transition:0.5s all ease; left:0; right:0; opacity:1; } } }