@mixin block($size: none) {
	@include set-display(block, $size);
}

@mixin inline($size: none) {
	@include set-display(inline, $size);
}

@mixin inline-block($size: none) {
	@include set-display(inline-block, $size);

    *display: inline#{$important};
    zoom: 1#{$important};
}

@mixin table($size: none) {
	@include set-display(table, $size);
}

@mixin table-row($size: none) {
	@include set-display(table-row, $size);
}

@mixin table-cell($size: none) {
	@include set-display(table-cell, $size);
}

@mixin table-caption($size: none) {
	@include set-display(table-caption, $size);
}

@mixin table-column-group($size: none) {
	@include set-display(table-column-group, $size);
}

@mixin table-header-group($size: none) {
	@include set-display(table-header-group, $size);
}

@mixin table-footer-group($size: none) {
	@include set-display(table-footer-group, $size);
}

@mixin table-row-group($size: none) {
	@include set-display(table-caption, $size);
}

@mixin inline-table($size: none) {
	@include set-display(inline-table, $size);
}

@mixin inline-flex($size: none) {
	@include set-display(inline-flex, $size);
}


@mixin list-item($size: none) {
	@include set-display(list-item, $size);
}

@mixin run-in($size: none) {
	@include set-display(run-in, $size);
}

// Visibility.
@mixin invisible {
    visibility: hidden#{$important};
    opacity: 0#{$important};
}

@mixin visible {
    visibility: visible#{$important};
    opacity: 1#{$important};
}

@mixin hide {
    display: none !important;
}

@mixin show {
    display: block !important;
}

@mixin hidden {
    display: none !important;
    visibility: hidden !important;
    opacity: 0 !important;
}

// Dimensions
@mixin size($size: none) {
    @if ($size != none) {
        @if (length($size) == 1) {
            @if (nth($size, 1) != none) {
                width: #{nth($size, 1)}#{$important};
                height: #{nth($size, 1)}#{$important};
            }
        }
        @else if (length($size) == 2) {
            @if (nth($size, 1) != none) {
                width: #{nth($size, 1)}#{$important};
            }
            @if (nth($size, 2) != none) {
                height: #{nth($size, 2)}#{$important};
            }
        }
    }
}
@mixin max-size($size: none) {
    @if ($size != none) {
        @if (length($size) == 1) {
            @if (nth($size, 1) != none) {
                max-width: #{nth($size, 1)}#{$important};
                max-height: #{nth($size, 1)}#{$important};
            }
        }
        @else if (length($size) == 2) {
            @if (nth($size, 1) != none) {
                max-width: #{nth($size, 1)}#{$important};
            }
            @if (nth($size, 2) != none) {
                max-height: #{nth($size, 2)}#{$important};
            }
        }
    }
}
@mixin min-size($size: none) {
    @if ($size != none) {
        @if (length($size) == 1) {
            @if (nth($size, 1) != none) {
                min-width: #{nth($size, 1)}#{$important};
                min-height: #{nth($size, 1)}#{$important};
            }
        }
        @else if (length($size) == 2) {
            @if (nth($size, 1) != none) {
                min-width: #{nth($size, 1)}#{$important};
            }
            @if (nth($size, 2) != none) {
                min-height: #{nth($size, 2)}#{$important};
            }
        }
    }
}