.muted
  opacity: .7
.clearfix
  &:after
    content: ""
    display: table
    clear: both
.flt--left
  float: left
.flt--right
  float: right
.flt--none
  float: none
.center
  margin: auto auto
.txt--center
  text-align: center
.txt--right
  text-align: right
.txt--left
  text-align: left
.oflow-y--scroll
  overflow-y: scroll
.w100,
.w100--s
  width: 100%
  display: block
@media screen and (min-width: $viewport-m)
  .w100--s
    width: auto
    display: inline-block
// https://github.com/mrmrs/fluidity/blob/master/sass/_responsive-utilities.scss
img,
canvas,
iframe,
video,
svg,
select,
textarea
  max-width: 100%