.wrapper
  .rubik-loader
  
View Compiled
*
  box-sizing: border-box

.wrapper
  position: fixed
  top: 0
  left: 0
  right: 0
  bottom: 0
  background-color: #fff

.rubik-loader
  width: 64px
  height: 64px
  position: absolute
  left: 50%
  top: 50%
  transform: translate(-50%, -50%)
  background-image: url(http://i.giphy.com/3og0ISeflb7vrNzy2A.gif)
  background-repeat: no-repeat
  background-position: center
View Compiled
Rerun