Creates SVG background image with PNG fallback. Example: @include('picture', 'center', 'center', 'no-repeat', 'fallback'); #{$imgFallback} - global var, folder with fallbacks.

SASS background SVG with PNG fallback

@mixin image($name, $x, $y, $repeat, $fallback: "") {
    @if $fallback == "fallback" {
        background: url(#{$imgFallback}/#{$name}.png) $x $y $repeat;
        background: rgba(0, 0, 0, 0) url(#{$img}/#{$name}.svg) $x $y $repeat;
    }
    @else {
        background: url(#{$img}/#{$name}.png) $x $y $repeat;
    }
}