Libraries: Create top level directory for libraries.

Things were getting a little crowded in the project root, so this patch
moves the Lib*/ directories into Libraries/.

Libraries/LibHTML/Layout/ComputedStyle.h

@@ -0,0 +1,47 @@
+#pragma once
+
+#include <LibHTML/CSS/LengthBox.h>
+#include <SharedGraphics/Color.h>
+#include <SharedGraphics/Size.h>
+
+enum FontStyle {
+    Normal,
+    Bold,
+};
+
+class ComputedStyle {
+public:
+    ComputedStyle();
+    ~ComputedStyle();
+
+    Color text_color() const { return m_text_color; }
+    Color background_color() const { return m_background_color; }
+
+    LengthBox& offset() { return m_offset; }
+    LengthBox& margin() { return m_margin; }
+    LengthBox& padding() { return m_padding; }
+    LengthBox& border() { return m_border; }
+
+    const LengthBox& offset() const { return m_offset; }
+    const LengthBox& margin() const { return m_margin; }
+    const LengthBox& padding() const { return m_padding; }
+    const LengthBox& border() const { return m_border; }
+
+    FontStyle font_style() const { return m_font_style; }
+
+    const Size& size() const { return m_size; }
+    Size& size() { return m_size; }
+
+private:
+    Color m_text_color;
+    Color m_background_color;
+
+    LengthBox m_offset;
+    LengthBox m_margin;
+    LengthBox m_padding;
+    LengthBox m_border;
+
+    Size m_size;
+
+    FontStyle m_font_style { FontStyle::Normal };
+};