@mixin genArrow($direction, $size, $color) {
    width: 0;
    height: 0;

    @if $direction == 'up' {
        border-left: $size solid transparent;
        border-right: $size solid transparent;
        border-bottom: $size solid $color;
    }

    @if $direction == 'down' {
        border-left: $size solid transparent;
        border-right: $size solid transparent;
        border-top: $size solid $color;
    }

    @if $direction == 'left' {
        border-top: $size solid transparent;
        border-bottom: $size solid transparent;
        border-right: $size solid $color;
    }

    @if $direction == 'right' {
        border-top: $size solid transparent;
        border-bottom: $size solid transparent;
        border-left: $size solid $color;
    }
}