.loader
  background-color: white
  display: none
  align-items: center
  justify-content: center
  position: absolute
  top: 0
  right: 0
  bottom: 0
  left: 0
  transition: visibility 0.2s linear, opacity 0.2s ease-in-out
  z-index: 999

  &_visible
    display: flex
  
  &_transparent
    background-color: rgba(255, 255, 255, .5)
