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diff --git a/src/libserver/css/css_value.hxx b/src/libserver/css/css_value.hxx
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+/*-
+ * Copyright 2021 Vsevolod Stakhov
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#ifndef RSPAMD_CSS_VALUE_HXX
+#define RSPAMD_CSS_VALUE_HXX
+
+#include <string>
+#include <variant>
+#include <optional>
+#include <vector>
+#include <iosfwd>
+#include "parse_error.hxx"
+#include "css_parser.hxx"
+#include "contrib/expected/expected.hpp"
+
+namespace rspamd::css {
+
+struct alignas(int) css_color {
+	std::uint8_t r;
+	std::uint8_t g;
+	std::uint8_t b;
+
+	std::uint8_t alpha;
+
+	css_color(std::uint8_t _r, std::uint8_t _g, std::uint8_t _b, std::uint8_t _alpha = 255)
+		: r(_r), g(_g), b(_b), alpha(_alpha)
+	{
+	}
+	css_color() = default;
+	constexpr auto to_number() const -> std::uint32_t
+	{
+		return (std::uint32_t) alpha << 24 |
+			   (std::uint32_t) r << 16 |
+			   (std::uint32_t) g << 8 |
+			   (std::uint32_t) b << 0;
+	}
+
+	constexpr auto to_rgb() const -> std::uint32_t
+	{
+		return (std::uint32_t) r << 16 |
+			   (std::uint32_t) g << 8 |
+			   (std::uint32_t) b << 0;
+	}
+	friend bool operator==(const css_color &l, const css_color &r)
+	{
+		return (memcmp(&l, &r, sizeof(css_color)) == 0);
+	}
+
+	static auto white() -> css_color
+	{
+		return css_color{255, 255, 255};
+	}
+	static auto black() -> css_color
+	{
+		return css_color{0, 0, 0};
+	}
+};
+
+struct css_dimension {
+	float dim;
+	bool is_percent;
+};
+
+/*
+ * Simple enum class for display stuff
+ */
+enum class css_display_value : std::uint8_t {
+	DISPLAY_INLINE,
+	DISPLAY_BLOCK,
+	DISPLAY_TABLE_ROW,
+	DISPLAY_HIDDEN
+};
+
+/*
+ * Value handler, uses std::variant instead of polymorphic classes for now
+ * for simplicity
+ */
+struct css_value {
+	std::variant<css_color,
+				 float,
+				 css_display_value,
+				 css_dimension,
+				 std::monostate>
+		value;
+
+	css_value()
+	{
+	}
+	css_value(const css_color &color)
+		: value(color)
+	{
+	}
+	css_value(float num)
+		: value(num)
+	{
+	}
+	css_value(css_dimension dim)
+		: value(dim)
+	{
+	}
+	css_value(css_display_value d)
+		: value(d)
+	{
+	}
+
+	auto to_color(void) const -> std::optional<css_color>
+	{
+		return extract_value_maybe<css_color>();
+	}
+
+	auto to_number(void) const -> std::optional<float>
+	{
+		return extract_value_maybe<float>();
+	}
+
+	auto to_dimension(void) const -> std::optional<css_dimension>
+	{
+		return extract_value_maybe<css_dimension>();
+	}
+
+	auto to_display(void) const -> std::optional<css_display_value>
+	{
+		return extract_value_maybe<css_display_value>();
+	}
+
+	auto is_valid(void) const -> bool
+	{
+		return !(std::holds_alternative<std::monostate>(value));
+	}
+
+	auto debug_str() const -> std::string;
+
+	static auto maybe_color_from_string(const std::string_view &input)
+		-> std::optional<css_value>;
+	static auto maybe_color_from_hex(const std::string_view &input)
+		-> std::optional<css_value>;
+	static auto maybe_color_from_function(const css_consumed_block::css_function_block &func)
+		-> std::optional<css_value>;
+	static auto maybe_dimension_from_number(const css_parser_token &tok)
+		-> std::optional<css_value>;
+	static auto maybe_display_from_string(const std::string_view &input)
+		-> std::optional<css_value>;
+
+private:
+	template<typename T>
+	auto extract_value_maybe(void) const -> std::optional<T>
+	{
+		if (std::holds_alternative<T>(value)) {
+			return std::get<T>(value);
+		}
+
+		return std::nullopt;
+	}
+};
+
+}// namespace rspamd::css
+
+
+#endif//RSPAMD_CSS_VALUE_HXX