html,
    body {
        min-height: 100%;
        height: 100%;
        background: #57387f;
    }
    .pulse{-webkit-animation-name:pulse;animation-name:pulse;-webkit-animation-duration:1.5s;animation-duration:1.5s;-webkit-animation-iteration-count:infinite;animation-iteration-count:infinite;-webkit-animation-fill-mode:both;animation-fill-mode:both}@-webkit-keyframes pulse{0%{-webkit-transform:scale3d(1,1,1);transform:scale3d(1,1,1)}50%{-webkit-transform:scale3d(1.05,1.05,1.05);transform:scale3d(1.05,1.05,1.05)}100%{-webkit-transform:scale3d(1,1,1);transform:scale3d(1,1,1)}}@keyframes pulse{0%{-webkit-transform:scale3d(1,1,1);transform:scale3d(1,1,1)}50%{-webkit-transform:scale3d(1.05,1.05,1.05);transform:scale3d(1.05,1.05,1.05)}100%{-webkit-transform:scale3d(1,1,1);transform:scale3d(1,1,1)}}