// ADDITIONAL STYLES FOR MAGNIFIC POPUP
// → github.com/dimsemenov/Magnific-Popup
// --------------------------------------------------------------------
@mixin modal-overlay($bg: $off-white, $maxw: 40em, $rempad: 1 2) {
    background: $bg;
    margin: 0 auto;
    max-width: $maxw;
    @include x-rem(padding, $rempad);
    position: relative;
    width: auto;
}

// ADDITIONAL STYLES FOR MAGNIFIC POPUP
// → github.com/dimsemenov/Magnific-Popup
// --------------------------------------------------------------------
@mixin modal-overlay($background-color: $off-white, $max-width: 40em, $rem-padding: 1 2) {
    background: $background-color;
    margin: 0 auto;
    max-width: $max-width;
    @include x-rem(padding, $rem-padding);
    position: relative;
    width: auto;
}

Clarify some variables in plugins.
Clarify some variables in plugins.
