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diff --git a/plugins/compressor/css_minifer.py b/plugins/compressor/css_minifer.py
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+# -*- coding: utf-8 -*-
+
+"""CSS Minifier functions for CSS-HTML-JS-Minify."""
+
+import re
+import itertools
+
+from .variables import EXTENDED_NAMED_COLORS, CSS_PROPS_TEXT
+
+
+__all__ = ('css_minify', 'condense_semicolons')
+
+
+def _compile_props(props_text, grouped=False):
+    """Take a list of props and prepare them."""
+    props, prefixes = [], "-webkit-,-khtml-,-epub-,-moz-,-ms-,-o-,".split(",")
+    for propline in props_text.strip().lower().splitlines():
+        props += [pre + pro for pro in propline.split(" ") for pre in prefixes]
+    props = filter(lambda line: not line.startswith('#'), props)
+    if not grouped:
+        props = list(filter(None, props))
+        return props, [0]*len(props)
+    final_props, groups, g_id = [], [], 0
+    for prop in props:
+        if prop.strip():
+            final_props.append(prop)
+            groups.append(g_id)
+        else:
+            g_id += 1
+    return final_props, groups
+
+
+def _prioritify(line_of_css, css_props_text_as_list):
+    """Return args priority, priority is integer and smaller means higher."""
+    sorted_css_properties, groups_by_alphabetic_order = css_props_text_as_list
+    priority_integer, group_integer = 9999, 0
+    for css_property in sorted_css_properties:
+        if css_property.lower() == line_of_css.split(":")[0].lower().strip():
+            priority_integer = sorted_css_properties.index(css_property)
+            group_integer = groups_by_alphabetic_order[priority_integer]
+            break
+    return priority_integer, group_integer
+
+
+def _props_grouper(props, pgs):
+    """Return groups for properties."""
+    if not props:
+        return props
+    # props = sorted([
+        # _ if _.strip().endswith(";")
+        # and not _.strip().endswith("*/") and not _.strip().endswith("/*")
+        # else _.rstrip() + ";\n" for _ in props])
+    props_pg = zip(map(lambda prop: _prioritify(prop, pgs), props), props)
+    props_pg = sorted(props_pg, key=lambda item: item[0][1])
+    props_by_groups = map(
+        lambda item: list(item[1]),
+        itertools.groupby(props_pg, key=lambda item: item[0][1]))
+    props_by_groups = map(lambda item: sorted(
+        item, key=lambda item: item[0][0]), props_by_groups)
+    props = []
+    for group in props_by_groups:
+        group = map(lambda item: item[1], group)
+        props += group
+        props += ['\n']
+    props.pop()
+    return props
+
+
+def sort_properties(css_unsorted_string):
+    """CSS Property Sorter Function.
+
+    This function will read buffer argument, split it to a list by lines,
+    sort it by defined rule, and return sorted buffer if it's CSS property.
+    This function depends on '_prioritify' function.
+    """
+    css_pgs = _compile_props(CSS_PROPS_TEXT, grouped=False)  # Do Not Group.
+    pattern = re.compile(r'(.*?{\r?\n?)(.*?)(}.*?)|(.*)',
+                         re.DOTALL + re.MULTILINE)
+    matched_patterns = pattern.findall(css_unsorted_string)
+    sorted_patterns, sorted_buffer = [], css_unsorted_string
+    re_prop = re.compile(r'((?:.*?)(?:;)(?:.*?\n)|(?:.*))',
+                         re.DOTALL + re.MULTILINE)
+    if len(matched_patterns) != 0:
+        for matched_groups in matched_patterns:
+            sorted_patterns += matched_groups[0].splitlines(True)
+            props = map(lambda line: line.lstrip('\n'),
+                        re_prop.findall(matched_groups[1]))
+            props = list(filter(lambda line: line.strip('\n '), props))
+            props = _props_grouper(props, css_pgs)
+            sorted_patterns += props
+            sorted_patterns += matched_groups[2].splitlines(True)
+            sorted_patterns += matched_groups[3].splitlines(True)
+        sorted_buffer = ''.join(sorted_patterns)
+    return sorted_buffer
+
+
+def remove_comments(css):
+    """Remove all CSS comment blocks."""
+    iemac, preserve = False, False
+    comment_start = css.find("/*")
+    while comment_start >= 0:  # Preserve comments that look like `/*!...*/`.
+        # Slicing is used to make sure we dont get an IndexError.
+        preserve = css[comment_start + 2:comment_start + 3] == "!"
+        comment_end = css.find("*/", comment_start + 2)
+        if comment_end < 0:
+            if not preserve:
+                css = css[:comment_start]
+                break
+        elif comment_end >= (comment_start + 2):
+            if css[comment_end - 1] == "\\":
+                # This is an IE Mac-specific comment; leave this one and the
+                # following one alone.
+                comment_start = comment_end + 2
+                iemac = True
+            elif iemac:
+                comment_start = comment_end + 2
+                iemac = False
+            elif not preserve:
+                css = css[:comment_start] + css[comment_end + 2:]
+            else:
+                comment_start = comment_end + 2
+        comment_start = css.find("/*", comment_start)
+    return css
+
+
+def remove_unnecessary_whitespace(css):
+    """Remove unnecessary whitespace characters."""
+
+    def pseudoclasscolon(css):
+        """Prevent 'p :link' from becoming 'p:link'.
+
+        Translates 'p :link' into 'p ___PSEUDOCLASSCOLON___link'.
+        This is translated back again later.
+        """
+        regex = re.compile(r"(^|\})(([^\{\:])+\:)+([^\{]*\{)")
+        match = regex.search(css)
+        while match:
+            css = ''.join([
+                css[:match.start()],
+                match.group().replace(":", "___PSEUDOCLASSCOLON___"),
+                css[match.end():]])
+            match = regex.search(css)
+        return css
+
+    css = pseudoclasscolon(css)
+    # Remove spaces from before things.
+    css = re.sub(r"\s+([!{};:>\(\)\],])", r"\1", css)
+    # If there is a `@charset`, then only allow one, and move to beginning.
+    css = re.sub(r"^(.*)(@charset \"[^\"]*\";)", r"\2\1", css)
+    css = re.sub(r"^(\s*@charset [^;]+;\s*)+", r"\1", css)
+    # Put the space back in for a few cases, such as `@media screen` and
+    # `(-webkit-min-device-pixel-ratio:0)`.
+    css = re.sub(r"\band\(", "and (", css)
+    # Put the colons back.
+    css = css.replace('___PSEUDOCLASSCOLON___', ':')
+    # Remove spaces from after things.
+    css = re.sub(r"([!{}:;>\(\[,])\s+", r"\1", css)
+    return css
+
+
+def remove_unnecessary_semicolons(css):
+    """Remove unnecessary semicolons."""
+    return re.sub(r";+\}", "}", css)
+
+
+def remove_empty_rules(css):
+    """Remove empty rules."""
+    return re.sub(r"[^\}\{]+\{\}", "", css)
+
+
+def normalize_rgb_colors_to_hex(css):
+    """Convert `rgb(51,102,153)` to `#336699`."""
+    regex = re.compile(r"rgb\s*\(\s*([0-9,\s]+)\s*\)")
+    match = regex.search(css)
+    while match:
+        colors = map(lambda s: s.strip(), match.group(1).split(","))
+        hexcolor = '#%.2x%.2x%.2x' % tuple(map(int, colors))
+        css = css.replace(match.group(), hexcolor)
+        match = regex.search(css)
+    return css
+
+
+def condense_zero_units(css):
+    """Replace `0(px, em, %, etc)` with `0`."""
+    return re.sub(r"([\s:])(0)(px|em|%|in|q|ch|cm|mm|pc|pt|ex|rem|s|ms|"
+                  r"deg|grad|rad|turn|vw|vh|vmin|vmax|fr)", r"\1\2", css)
+
+
+def condense_multidimensional_zeros(css):
+    """Replace `:0 0 0 0;`, `:0 0 0;` etc. with `:0;`."""
+    return css.replace(":0 0 0 0;", ":0;").replace(
+        ":0 0 0;", ":0;").replace(":0 0;", ":0;").replace(
+            "background-position:0;", "background-position:0 0;").replace(
+                "transform-origin:0;", "transform-origin:0 0;")
+
+
+def condense_floating_points(css):
+    """Replace `0.6` with `.6` where possible."""
+    return re.sub(r"(:|\s)0+\.(\d+)", r"\1.\2", css)
+
+
+def condense_hex_colors(css):
+    """Shorten colors from #AABBCC to #ABC where possible."""
+    regex = re.compile(
+        r"""([^\"'=\s])(\s*)#([0-9a-f])([0-9a-f])([0-9a-f])"""
+        r"""([0-9a-f])([0-9a-f])([0-9a-f])""", re.I | re.S)
+    match = regex.search(css)
+    while match:
+        first = match.group(3) + match.group(5) + match.group(7)
+        second = match.group(4) + match.group(6) + match.group(8)
+        if first.lower() == second.lower():
+            css = css.replace(
+                match.group(), match.group(1) + match.group(2) + '#' + first)
+            match = regex.search(css, match.end() - 3)
+        else:
+            match = regex.search(css, match.end())
+    return css
+
+
+def condense_whitespace(css):
+    """Condense multiple adjacent whitespace characters into one."""
+    return re.sub(r"\s+", " ", css)
+
+
+def condense_semicolons(css):
+    """Condense multiple adjacent semicolon characters into one."""
+    return re.sub(r";;+", ";", css)
+
+
+def wrap_css_lines(css, line_length=80):
+    """Wrap the lines of the given CSS to an approximate length."""
+    lines, line_start = [], 0
+    for i, char in enumerate(css):
+        # Its safe to break after } characters.
+        if char == '}' and (i - line_start >= line_length):
+            lines.append(css[line_start:i + 1])
+            line_start = i + 1
+    if line_start < len(css):
+        lines.append(css[line_start:])
+    return '\n'.join(lines)
+
+
+def condense_font_weight(css):
+    """Condense multiple font weights into shorter integer equals."""
+    return css.replace('font-weight:normal;', 'font-weight:400;').replace(
+        'font-weight:bold;', 'font-weight:700;')
+
+
+def condense_std_named_colors(css):
+    """Condense named color values to shorter replacement using HEX."""
+    for color_name, color_hexa in iter(tuple({
+        ':aqua;': ':#0ff;', ':blue;': ':#00f;',
+            ':fuchsia;': ':#f0f;', ':yellow;': ':#ff0;'}.items())):
+        css = css.replace(color_name, color_hexa)
+    return css
+
+
+def condense_xtra_named_colors(css):
+    """Condense named color values to shorter replacement using HEX."""
+    for k, v in iter(tuple(EXTENDED_NAMED_COLORS.items())):
+        same_color_but_rgb = 'rgb({0},{1},{2})'.format(v[0], v[1], v[2])
+        if len(k) > len(same_color_but_rgb):
+            css = css.replace(k, same_color_but_rgb)
+    return css
+
+
+def remove_url_quotes(css):
+    """Fix for url() does not need quotes."""
+    return re.sub(r'url\((["\'])([^)]*)\1\)', r'url(\2)', css)
+
+
+def condense_border_none(css):
+    """Condense border:none; to border:0;."""
+    return css.replace("border:none;", "border:0;")
+
+
+def add_encoding(css):
+    """Add @charset 'UTF-8'; if missing."""
+    return '@charset "utf-8";' + css if "@charset" not in css.lower() else css
+
+
+def restore_needed_space(css):
+    """Fix CSS for some specific cases where a white space is needed."""
+    return css.replace("!important", " !important").replace(  # !important
+        "@media(", "@media (").replace(  # media queries # jpeg > jpg
+            "data:image/jpeg;base64,", "data:image/jpg;base64,").rstrip("\n;")
+
+
+def unquote_selectors(css):
+    """Fix CSS for some specific selectors where Quotes is not needed."""
+    return re.compile('([a-zA-Z]+)="([a-zA-Z0-9-_\.]+)"]').sub(r'\1=\2]', css)
+
+
+def css_minify(css, wrap=False, comments=False, sort=False, noprefix=False):
+    """Minify CSS main function."""
+    css = remove_comments(css) if not comments else css
+    css = sort_properties(css) if sort else css
+    css = unquote_selectors(css)
+    css = condense_whitespace(css)
+    css = remove_url_quotes(css)
+    css = condense_xtra_named_colors(css)
+    css = condense_font_weight(css)
+    css = remove_unnecessary_whitespace(css)
+    css = condense_std_named_colors(css)
+    css = remove_unnecessary_semicolons(css)
+    css = condense_zero_units(css)
+    css = condense_multidimensional_zeros(css)
+    css = condense_floating_points(css)
+    css = normalize_rgb_colors_to_hex(css)
+    css = condense_hex_colors(css)
+    css = condense_border_none(css)
+    css = wrap_css_lines(css, 80) if wrap else css
+    css = condense_semicolons(css)
+    css = add_encoding(css) if not noprefix else css
+    css = restore_needed_space(css)
+    return css.strip()