AndrewMcBurney/petermcburney.com

=center-h
  left: 50%
  position: absolute
  transform: translateX(-50%)

=center-v-h($height, $width)
  bottom: 0
  left: 0
  margin: auto
  position: absolute
  right: 0
  top: 0

  height: $height
  width: $width

=margin-0-auto
  margin: 0 auto
  max-width: 1168px

  @media screen and (max-width: 1250px)
    max-width: 876px !important

  @media screen and (max-width: 900px)
    max-width: 584px !important

  @media screen and (max-width: 584px)
    max-width: 80% !important


=margin-0-auto-offset($offset)
  margin: 0 auto
  +calc( max-width, '1168px - 40px')

  @media screen and (max-width: 1250px)
    +calc( max-width, '876px - 40px')

  @media screen and (max-width: 900px)
    +calc( max-width, '584px - 40px')

  @media screen and (max-width: 584px)
    +calc( max-width, '80% - 40px')