@mixin linear-gradient($pos, $g1, $g2: null,
                       $g3: null, $g4: null,
                       $g5: null, $g6: null,
                       $g7: null, $g8: null,
                       $g9: null, $g10: null,
                       $fallback: null) {
    // Detect what type of value exists in $pos
    $pos-type: type-of(nth($pos, 1));
    $pos-spec: null;
    $pos-degree: null;

    // If $pos is missing from mixin, reassign vars and add default position
    @if ($pos-type == color) or (nth($pos, 1) == "transparent") {
        $g10: $g9;
        $g9: $g8;
        $g8: $g7;
        $g7: $g6;
        $g6: $g5;
        $g5: $g4;
        $g4: $g3;
        $g3: $g2;
        $g2: $g1;
        $g1: $pos;
        $pos: null;
    }

    @if $pos {
        $positions: _linear-positions-parser($pos);
        $pos-degree: nth($positions, 1);
        $pos-spec: nth($positions, 2);
    }

    $full: $g1, $g2, $g3, $g4, $g5, $g6, $g7, $g8, $g9, $g10;

    // Set $g1 as the default fallback color
    $fallback-color: nth($g1, 1);

    // If $fallback is a color use that color as the fallback color
    @if (type-of($fallback) == color) or ($fallback == "transparent") {
        $fallback-color: $fallback;
    }

    background-color: $fallback-color;
    background-image: -webkit-linear-gradient($pos-degree $full); // Safari 5.1+, Chrome
    background-image: unquote("linear-gradient(#{$pos-spec}#{$full})");
}