body {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  margin: 0;
  overflow: hidden;
}

#container {
  position: absolute;
  width: 100vmax;
  height: 100vmax;
  left: 50%;
  top: 50%;
  background: linear-gradient(to bottom, purple, #00d);
  transform: translate3d(-50%, -40%, 0);
}

canvas {
  display: block;
}
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  vertical-align: middle;
}

body {
    /* Permalink - use to edit and share this gradient: http://colorzilla.com/gradient-editor/#1d80d6+0,05306d+34,05306d+70,1d80d6+100 */
background: #1d80d6; /* Old browsers */
background: -moz-linear-gradient(-45deg,  #1d80d6 0%, #05306d 34%, #05306d 70%, #1d80d6 100%); /* FF3.6-15 */
background: -webkit-linear-gradient(-45deg,  #1d80d6 0%,#05306d 34%,#05306d 70%,#1d80d6 100%); /* Chrome10-25,Safari5.1-6 */
background: linear-gradient(135deg,  #1d80d6 0%,#05306d 34%,#05306d 70%,#1d80d6 100%); /* W3C, IE10+, FF16+, Chrome26+, Opera12+, Safari7+ */
filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#1d80d6', endColorstr='#1d80d6',GradientType=1 ); /* IE6-9 fallback on horizontal gradient */
  width: 100vw;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.loader {
  margin: auto;
  width: 103px;
  height: 100px;
}

.oneline {
  width: 200px;
  height: 50px;
}

.icon,
.icon svg {
  width: 50px;
  height: 50px;
  display: inline-block;
}

.loader:not(.oneline) .icon:nth-child(odd) {
  margin-right: 3px;
}

.icon:nth-child(1) {
  animation-delay: 0;
}

.icon:nth-child(2) {
  animation-delay: 0.05s;
}

.icon:nth-child(3) {
  animation-delay: 0.1s;
}

.icon:nth-child(4) {
  animation-delay: 0.15s;
}

.icon {
  transform: rotate(-90deg) scale(0);
}

.animate {
  animation: psicon 2s cubic-bezier(.75,0,1,1);
  /* If we want, we can add infinite iterations here, but then lose the randomisation of the symbols */
}

@keyframes psicon {
  0% {
    transform: rotate(-90deg) scale(0);
    animation-timing-function: cubic-bezier(0,0,.25,1);
  }
  40%, 60% {
    transform: rotate(0deg) scale(1);
  }
  100% {
    transform: rotate(90deg) scale(0);
  }
}

button {
  display: block;
  position: absolute;
  left: 1em;
  top: 1em;
  padding: .5em;
  font-size: 1em;
}