Sunshine loader

CSS

body {
  background: #4cbda7;
}
ul {
  position: absolute;
margin: auto;
top: 0; left: 0; bottom: 0; right: 0;
  width: 150px;
  height: 150px;
  padding: 0;
  list-style: none;
}
li {
  position: absolute;
  width: 150px ;
  height: 150px ;
  border-radius: 5px;
  background: #fad335;
  opacity: 0.8;
}
li:nth-child(2) {
  animation:         rotation1 3s infinite;
  -o-animation:      rotation1 3s infinite;
  -moz-animation:    rotation1 3s infinite;
  -webkit-animation: rotation1 3s infinite;
}
li:nth-child(3) {
  animation:         rotation2 3s infinite;
  -o-animation:      rotation2 3s infinite;
  -moz-animation:    rotation2 3s infinite;
  -webkit-animation: rotation2 3s infinite;
  animation-delay:         0.2s;
-o-animation-delay:      0.2s;
-moz-animation-delay:    0.2s;
  -webkit-animation-delay: 0.2s;
}
li:nth-child(4) {
  animation:         rotation3 3s infinite;
  -o-animation:      rotation3 3s infinite;
  -moz-animation:    rotation3 3s infinite;
  -webkit-animation: rotation3 3s infinite;
  animation-delay:         0.4s;
-o-animation-delay:      0.4s;
-ms-animation-delay:     0.4s;
-moz-animation-delay:    0.4s;
  -webkit-animation-delay: 0.4s;
}
/* first rotation */
@keyframes rotation1 {
from     { transform:rotate(-360deg); }
  30%,60%  { transform:rotate(20deg); }
  80%      { transform:rotate(0); }
}
@-o-keyframes rotation1 {
from     { -o-transform:rotate(-360deg); }
  30%,60%  { -o-transform:rotate(20deg); }
  80%      { -o-transform:rotate(0); }
}
@-moz-keyframes rotation1 {
from     { -moz-transform:rotate(-360deg); }
  30%,60%  { -moz-transform:rotate(20deg); }
  80%      { -moz-transform:rotate(0); }
}
@-webkit-keyframes rotation1 {
from     { -webkit-transform:rotate(-360deg); }
  30%,60%  { -webkit-transform:rotate(20deg); }
  80%      { -webkit-transform:rotate(0); }
}
/* second rotation */
@keyframes rotation2 {
from     { transform:rotate(-360deg); }
  30%, 60% { transform:rotate(45deg); }
  80%      { transform:rotate(0); }
}
@-o-keyframes rotation2 {
from     { -o-transform:rotate(-360deg); }
  30%, 60% { -o-transform:rotate(45deg); }
  80%      { -o-transform:rotate(0); }
}
@-moz-keyframes rotation2 {
from     { -moz-transform:rotate(-360deg); }
  30%, 60% { -moz-transform:rotate(45deg); }
  80%      { -moz-transform:rotate(0); }
}
@-webkit-keyframes rotation2 {
from     { -webkit-transform:rotate(-360deg); }
  30%, 60% { -webkit-transform:rotate(45deg); }
  80%      { -webkit-transform:rotate(0); }
}
/* third rotation */
@keyframes rotation3 {
from    { transform:rotate(-360deg); }
  30%,60% { transform:rotate(75deg); }
  80%     { transform:rotate(0); }
}
@-o-keyframes rotation3 {
from    { -o-transform:rotate(-360deg); }
  30%,60% { -o-transform:rotate(75deg); }
  80%     { -o-transform:rotate(0); }
}
@-moz-keyframes rotation3 {
from    { -moz-transform:rotate(-360deg); }
  30%,60% { -moz-transform:rotate(75deg); }
  80%     { -moz-transform:rotate(0); }
}
@-webkit-keyframes rotation3 {
from    { -webkit-transform:rotate(-360deg); }
  30%,60% { -webkit-transform:rotate(75deg); }
  80%     { -webkit-transform:rotate(0); }
}

HTML

<ul>
  <li></li>
  <li></li>
  <li></li>
  <li></li>
</ul>