.loading {
  position: absolute;
  display: block;
  width: 200px;
  height: 200px;
  justify-content: center;
  align-content: center;
  z-index: 1000;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  margin: auto;
}
.loading:before,
.loading:after {
  width: 0px;
  height: 0px;
  content: '';
  border-radius: 50%;
  background: #eee;
  display: block;
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  right: 0;
  margin: auto;
  animation: load 2s linear infinite;
  -webkit-animation: load 2s linear infinite;
}
.loading:after {
  animation: load 2s linear 0.8s infinite;
  -webkit-animation: load 2s linear 0.8s infinite;
}
.site-welcome {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
  z-index: 101;
  display: none;
}
.site-welcome.active {
  display: block;
}
@keyframes load {
  0% {
    width: 0px;
    height: 0px;
    opacity: 1;
  }
  100% {
    width: 100px;
    height: 100px;
    opacity: 0;
  }
}
@-webkit-keyframes load {
  0% {
    width: 0px;
    height: 0px;
    opacity: 1;
  }
  100% {
    width: 60px;
    height: 60px;
    opacity: 0;
  }
}
@-moz-keyframes load {
  0% {
    width: 0px;
    height: 0px;
    opacity: 1;
  }
  100% {
    width: 60px;
    height: 60px;
    opacity: 0;
  }
}
@-ms-keyframes load {
  0% {
    width: 0px;
    height: 0px;
    opacity: 1;
  }
  100% {
    width: 60px;
    height: 60px;
    opacity: 0;
  }
}