http://codepen.io/diegopardo/pen/dGlfC

CSS3 loading...

<h1 class="loader">
  <span>З</span>
  <span>а</span>
  <span>г</span>
  <span>р</span>
  <span>у</span>
  <span>з</span>
  <span>к</span>
  <span>а</span>
</h1>

<script>
body{
  background: #CCD0D4;
}
h1.loader{
  text-align: center;
  text-transform: uppercase;
  font-family: 'Nunito', sans-serif;
  font-size: 4.6875em;
  color: transparent;
  letter-spacing: 0.01em;
}
.loader span{
  text-shadow:
    0 0 2px rgba(204, 208, 212,0.9),
    0 15px 25px rgba(0, 0, 0, 0.3),
    0 -2px 3px rgba(0, 0, 0, 0.1),
    0 -5px 10px rgba(255, 255, 255, 0.5),
    0 5px 10px rgba(0, 0, 0, 0.3),
    0 3px 4px rgba(255, 255, 255, 0.2),
    0 0 20px rgba(255, 255, 255, 0.45);
  
    animation: loading 0.85s ease-in-out infinite alternate;
}

@keyframes loading {
	to {text-shadow:
    0 0 2px rgba(204, 208, 212,0.2),
    0 0 3px rgba(0, 0, 0, 0.02),
    0 0 0 rgba(0, 0, 0, 0),
    0 0 0 rgba(255, 255, 255, 0),
    0 0 0 rgba(0, 0, 0, 0),
    0 0 0 rgba(255, 255, 255, 0),
    0 0 0 rgba(255, 255, 255, 0);}
}

.loader span:nth-child(2){
  animation-delay:0.125s;
}
.loader span:nth-child(3){
  animation-delay:0.25s;
}
.loader span:nth-child(4){
  animation-delay:0.375s;
}
.loader span:nth-child(5){
  animation-delay:0.50s;
}
.loader span:nth-child(6){
  animation-delay:0.625s;
}
.loader span:nth-child(7){
  animation-delay:0.75s;
}
.loader span:nth-child(8){
  animation-delay:0.875s;
}
</script>