square loader

index.html

<div class="loader">
  <row>
    <span></span>
    <span></span>
    <span></span>
  </row>
  <row>
    <span></span>
    <span></span>
    <span></span>
  </row>
  <row>
    <span></span>
    <span></span>
    <span></span>
  </row>
</div>

square-loader.markdown

square loader

A Pen by Johan Olsson on CodePen.

License.

style.css

body {
  text-align: center;
  padding-top: 20%;
  background: #1d1f20;
}

.loader {
  width: 100px;
  height: 100px;
  display: inline-table;
  box-sizing: border-box;
  position: relative;
  border-spacing: 0.3em;
}
.loader row {
  display: table-row;
}
.loader row span {
  display: table-cell;
  position: relative;
  background: #fdfdfd;
  opacity: 0;
  -webkit-animation: flicker 0.5985999999999999s ease-out infinite alternate;
}

@-webkit-keyframes flicker {
  from, 20% {
    opacity: 0;
  }
  100%, to {
    opacity: 1;
  }
}



.loader row:nth-child(1) span:nth-child(1) { -webkit-animation-delay: .50s; }
.loader row:nth-child(1) span:nth-child(2) { -webkit-animation-delay: .70s; }
.loader row:nth-child(1) span:nth-child(3) { -webkit-animation-delay: .60s; }
.loader row:nth-child(2) span:nth-child(1) { -webkit-animation-delay: .20s; }
.loader row:nth-child(2) span:nth-child(2) { -webkit-animation-delay: .80s; }
.loader row:nth-child(2) span:nth-child(3) { -webkit-animation-delay: .90s; }
.loader row:nth-child(3) span:nth-child(1) { -webkit-animation-delay: .10s; }
.loader row:nth-child(3) span:nth-child(2) { -webkit-animation-delay: .30s; }
.loader row:nth-child(3) span:nth-child(3) { -webkit-animation-delay: .40s; }