noesya/osuny

@function pxToRem($size)
    $remSize: $size / 16
    @return #{$remSize}rem

@function pxr2rem($size)
    $remSize: $size / 16 / 2
    @return #{$remSize}rem

@mixin pseudo-top-border($pseudo: before)
    position: relative
    &::#{$pseudo}
        border-top: 1px solid $light-border-color
        content: ''
        left: $grid-gutter-width  * .5
        position: absolute
        right: $grid-gutter-width  * .5
        top: 0

@mixin pseudo-bottom-border($pseudo: after)
    @include pseudo-top-border($pseudo)
    &::#{$pseudo}
        bottom: 0
        top: auto