Page load animation

index.jade

.wrapper
  .up.slideUp
  .spin
    .load.grow
  .down.slideDown

Page load animation.markdown

Page load animation

A spinning page load animation. Great for the entry to welcome pages. Done completely with HTML & CSS. No javascript needed!

A Pen by C-Rodg on CodePen.

License.

style.css

/*  Containers  */
html, body {
  width: 100%;
  height: 100%;
}

body {
  background: url('https://download.unsplash.com/photo-1429277096327-11ee3b761c93');
  background-size: cover;
}

.wrapper {
  height: 100%;
  width: 100%;
  position: relative;
  overflow: hidden;
}

/*  Animation Elements  */

.load {
  border-top: 10px solid #16a085;
  width: 125px;
  margin: auto;
}

.spin {
  animation-name: spin;
  animation-duration: 10s;
  animation-timing-function: linear;
  animation-delay: 1s;
  animation-iteration-count: 1;
  animation-direction: normal;
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  margin: auto;
  z-index: 99;
  overflow: hidden;
}

.grow {
  animation-name: grow;
  animation-duration: 6s;
  animation-timing-function: linear;
  animation-delay: 11s;
  animation-iteration-count: 1;
  animation-direction: normal;
  animation-fill-mode: forwards;
}

.up {
  height: 50%;
  width: 100%;
  background-color: #333;
  position: absolute;
  top: 0;
}

.down {
  height: 50%;
  width: 100%;
  background-color: #333;
  position: absolute;
  bottom: 0;
}

.slideUp {
  animation-name: slideUp;
  animation-duration: 3s;
  animation-timing-function: linear;
  animation-delay: 14s;
  animation-iteration-count: 1;
  animation-direction: normal;
  animation-fill-mode: forwards;
}

.slideDown {
  animation-name: slideDown;
  animation-duration: 3s;
  animation-timing-function: linear;
  animation-delay: 14s;
  animation-iteration-count: 1;
  animation-direction: normal;
  animation-fill-mode: forwards;
}

/*  Keyframe Animations  */

@keyframes grow {
  0% {
    width: 125px;
  }
  50% {
    width: 100%;
  }
  75% {
    opacity: 1;
  }
  100% {
    width: 0;
    opacity: 0;
  }
}

@keyframes slideUp {
  from {
    transform: translateY(0%);
  }
  to {
    transform: translateY(-100%);
  }
}

@keyframes slideDown {
  from {
    transform: translateY(0%);
  }
  to {
    transform: translateY(100%);
  }
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  20% {
    transform: rotate(360deg);
  }
  40% {
    transform: rotate(720deg);
  }
  60% {
    transform: rotate(1080deg);
  }
  80% {
    transform: rotate(1440deg);
  }
  100% {
    transform: rotate(1800deg);
  }
}