.half-color-block
  width 100vw
  position relative

.half-color-block--full-height
  min-height 100vh

.half-color-block--black-white
  background-color main-color

  &:before
    content ""
    width 50%
    height 100%
    background-color #fff
    position absolute
    top 0
    right 0
    z-index 1

.half-color-block__content
  position relative
  z-index 2