@import url(https://fonts.googleapis.com/css?family=Quattrocento+Sans);

@mixin position-center($text-align: center) {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  margin: auto;
  text-align: $text-align;
}

.loading {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: #000;
  z-index: 9999;
}

.loading-text {
  @include position-center;
  width: 100%;
  height: 100px;
  line-height: 100px;
  span {
    display: inline-block;
    margin: 0 5px;
    color: #fff;
    font-family: 'Quattrocento Sans', sans-serif;
    @for $i from 0 through 6 {
      &:nth-child(#{$i + 1}) {
        filter: blur(0px);
        animation: blur-text 1.5s (#{$i/5})+s infinite linear alternate;
      }
    }
  }
}

@keyframes blur-text {
  0% {filter: blur(0px);}
  100% {filter: blur(4px);}
}