html,
body {
  width: 100%;
  height: 100%;
}

canvas {
  display: block;
  vertical-align: bottom;
}

.count-particles {
  background: #000022;
  position: absolute;
  top: 48px;
  left: 0;
  width: 80px;
  color: #13E8E9;
  font-size: .8em;
  text-align: left;
  text-indent: 4px;
  line-height: 14px;
  padding-bottom: 2px;
  font-family: Helvetica, Arial, sans-serif;
  font-weight: bold;
}

.js-count-particles {
  font-size: 1.1em;
}

#stats,
.count-particles {
  -webkit-user-select: none;
  margin-top: 5px;
  margin-left: 5px;
}

#stats {
  border-radius: 3px 3px 0 0;
  overflow: hidden;
}

.count-particles {
  border-radius: 0 0 3px 3px;
}


#particles-js {
  width: 100%;
  height: 100%;
  position: relative;
  background-position: 50% 50%;
  background-size: cover;
  background-repeat: no-repeat;
  margin-left: auto;
  margin-right: auto;
}

.sk-rotating-plane {
  display: none;
  width: 80px;
  height: 80px;
  margin: auto;
  background-color: white;
  -webkit-animation: sk-rotating-plane 1.2s infinite ease-in-out;
  animation: sk-rotating-plane 1.2s infinite ease-in-out;
  z-index: 1;
  position: absolute;
  top: 50%;
  left: 50%;
  margin-left: -40px;
  margin-top: -80px;
}

.sk-rotating-plane.active {
  display: block;
}

@keyframes sk-rotating-plane {
  0% {
    -webkit-transform: perspective(120px) rotateX(0deg) rotateY(0deg);
    transform: perspective(120px) rotateX(0deg) rotateY(0deg);
  }

  50% {
    -webkit-transform: perspective(120px) rotateX(-180.1deg) rotateY(0deg);
    transform: perspective(120px) rotateX(-180.1deg) rotateY(0deg);
  }

  100% {
    -webkit-transform: perspective(120px) rotateX(-180deg) rotateY(-179.9deg);
    transform: perspective(120px) rotateX(-180deg) rotateY(-179.9deg);
  }
}

@keyframes login-small {
  0% {
    transform: scale(1);
    -moz-transform: scale(1);
    /* Firefox 4 */
    -webkit-transform: scale(1);
    /* Safari 和 Chrome */
    -o-transform: scale(1);
    /* Opera */
    -ms-transform: scale(1);
    /* IE 9 */
  }

  100% {
    transform: scale(0.2);
    -moz-transform: scale(0.1);
    /* Firefox 4 */
    -webkit-transform: scale(0.2);
    /* Safari 和 Chrome */
    -o-transform: scale(0.1);
    /* Opera */
    -ms-transform: scale(0.1);
    /* IE 9 */
  }
}