CodeTheChangeUBC/reBOOT

/* Source:  @ihatetomatoes */

#loader-wrapper {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1000;
}
#loader {
  display: block;
  position: relative;
  left: 50%;
  top: 50%;
  width: 150px;
  height: 150px;
  margin: -75px 0 0 -75px;
  border-radius: 50%;
  border: 3px solid transparent;
  border-top-color: #3498db;

  -webkit-animation: spin 2s linear infinite; /* Chrome, Opera 15+, Safari 5+ */
  animation: spin 2s linear infinite; /* Chrome, Firefox 16+, IE 10+, Opera */

  z-index: 1001;
}

#loader:before {
  content: "";
  position: absolute;
  top: 5px;
  left: 5px;
  right: 5px;
  bottom: 5px;
  border-radius: 50%;
  border: 3px solid transparent;
  border-top-color: #e74c3c;

  -webkit-animation: spin 3s linear infinite; /* Chrome, Opera 15+, Safari 5+ */
  animation: spin 3s linear infinite; /* Chrome, Firefox 16+, IE 10+, Opera */
}

#loader:after {
  content: "";
  position: absolute;
  top: 15px;
  left: 15px;
  right: 15px;
  bottom: 15px;
  border-radius: 50%;
  border: 3px solid transparent;
  border-top-color: #f9c922;

  -webkit-animation: spin 1.5s linear infinite; /* Chrome, Opera 15+, Safari 5+ */
      animation: spin 1.5s linear infinite; /* Chrome, Firefox 16+, IE 10+, Opera */
}

@-webkit-keyframes spin {
  0%   { 
      -webkit-transform: rotate(0deg);  /* Chrome, Opera 15+, Safari 3.1+ */
      -ms-transform: rotate(0deg);  /* IE 9 */
      transform: rotate(0deg);  /* Firefox 16+, IE 10+, Opera */
  }
  100% {
      -webkit-transform: rotate(360deg);  /* Chrome, Opera 15+, Safari 3.1+ */
      -ms-transform: rotate(360deg);  /* IE 9 */
      transform: rotate(360deg);  /* Firefox 16+, IE 10+, Opera */
  }
}
@keyframes spin {
  0%   { 
      -webkit-transform: rotate(0deg);  /* Chrome, Opera 15+, Safari 3.1+ */
      -ms-transform: rotate(0deg);  /* IE 9 */
      transform: rotate(0deg);  /* Firefox 16+, IE 10+, Opera */
  }
  100% {
      -webkit-transform: rotate(360deg);  /* Chrome, Opera 15+, Safari 3.1+ */
      -ms-transform: rotate(360deg);  /* IE 9 */
      transform: rotate(360deg);  /* Firefox 16+, IE 10+, Opera */
  }
}

#loader-wrapper .loader-section {
  position: fixed;
  top: 0;
  width: 51%;
  height: 100%;
  background: gray;
  z-index: 1000;
  -webkit-transform: translateX(0);  /* Chrome, Opera 15+, Safari 3.1+ */
  -ms-transform: translateX(0);  /* IE 9 */
  transform: translateX(0);  /* Firefox 16+, IE 10+, Opera */
}

#loader-wrapper .loader-section.section-left {
  left: 0;
}

#loader-wrapper .loader-section.section-right {
  right: 0;
}

/* Loaded */
.loaded #loader-wrapper .loader-section.section-left {
  -webkit-transform: translateX(-100%);  /* Chrome, Opera 15+, Safari 3.1+ */
      -ms-transform: translateX(-100%);  /* IE 9 */
          transform: translateX(-100%);  /* Firefox 16+, IE 10+, Opera */

  -webkit-transition: all 0.7s 0.3s cubic-bezier(0.645, 0.045, 0.355, 1.000);  
          transition: all 0.7s 0.3s cubic-bezier(0.645, 0.045, 0.355, 1.000);
}

.loaded #loader-wrapper .loader-section.section-right {
  -webkit-transform: translateX(100%);  /* Chrome, Opera 15+, Safari 3.1+ */
      -ms-transform: translateX(100%);  /* IE 9 */
          transform: translateX(100%);  /* Firefox 16+, IE 10+, Opera */

  -webkit-transition: all 0.7s 0.3s cubic-bezier(0.645, 0.045, 0.355, 1.000);  
          transition: all 0.7s 0.3s cubic-bezier(0.645, 0.045, 0.355, 1.000);
}

.loaded #loader {
  opacity: 0;
  -webkit-transition: all 0.3s ease-out;  
          transition: all 0.3s ease-out;
}
.loaded #loader-wrapper {
  visibility: hidden;

  -webkit-transform: translateY(-100%);  /* Chrome, Opera 15+, Safari 3.1+ */
      -ms-transform: translateY(-100%);  /* IE 9 */
          transform: translateY(-100%);  /* Firefox 16+, IE 10+, Opera */

  -webkit-transition: all 0.3s 1s ease-out;  
          transition: all 0.3s 1s ease-out;
}

/* JavaScript Turned Off */
.no-js #loader-wrapper {
  display: none;
}
.no-js h1 {
  color: #222222;
}