#sptopbtn{position:relative;-webkit-transition:.3s;transition:.3s}#sptopbtn:before,#sptopbtn:after{content:"";position:absolute;width:110%;height:110%;top:-3px;left:-1px;border-radius:32px;border:1px solid rgba(0,0,0,0.2);-webkit-transform:translate3d(0, 0, 0);transform:translate3d(0, 0, 0)}#sptopbtn:before{-webkit-webkit-animation:btnmove 2s ease-out infinite;-moz-webkit-animation:btnmove 2s ease-out infinite;-ms-webkit-animation:btnmove 2s ease-out infinite;-o-webkit-animation:btnmove 2s ease-out infinite;-webkit-animation:btnmove 2s ease-out infinite;animation:btnmove 2s ease-out infinite}#sptopbtn:after{-webkit-webkit-animation:btnmove 2s ease-out 1s infinite;-moz-webkit-animation:btnmove 2s ease-out 1s infinite;-ms-webkit-animation:btnmove 2s ease-out 1s infinite;-o-webkit-animation:btnmove 2s ease-out 1s infinite;-webkit-animation:btnmove 2s ease-out 1s infinite;animation:btnmove 2s ease-out 1s infinite}@-webkit-keyframes btnmove{0%{-webkit-transform:scale(0.95);transform:scale(0.95);opacity:1}90%{opacity:.1}to{-webkit-transform:scale(1.5, 1.5);transform:scale(1.5, 1.5);opacity:0}}@keyframes btnmove{0%{-webkit-transform:scale(0.95);transform:scale(0.95);opacity:1}90%{opacity:.1}to{-webkit-transform:scale(1.5, 1.5);transform:scale(1.5, 1.5);opacity:0}}