n/CSS/Building_blocks/The_box_model)
    10. [ Backgrounds and borders ](/en-US/docs/Learn/CSS/Building_blocks/Backgrounds_and_borders)
    11. [ Handling different text directions ](/en-US/docs/Learn/CSS/Building_blocks/Handling_different_text_directions)
    12. [ Overflowing content ](/en-US/docs/Learn/CSS/Building_blocks/Overflowing_content)
    13. [ CSS values and units ](/en-US/docs/Learn/CSS/Building_blocks/Values_and_units)
    14. [ Sizing items in CSS ](/en-US/docs/Learn/CSS/Building_blocks/Sizing_items_in_CSS)
    15. [ Images, media, and form elements ](/en-US/docs/Learn/CSS/Building_blocks/Images_media_form_elements)
    16. [ Styling tables ](/en-US/docs/Learn/CSS/Building_blocks/Styling_tables)
    17. [ Debugging CSS ](/en-US/docs/Learn/CSS/Building_blocks/Debugging_CSS)
    18. [ Organizing your CSS ](/en-US/docs/Learn/CSS/Building_blocks/Organizing)
    19. [ Assessment: Fundamental CSS comprehension ](/en-US/docs/Learn/CSS/Building_blocks/Fundamental_CSS_comprehension)
    20. [ Assessment: Creating fancy letterheaded paper ](/en-US/docs/Learn/CSS/Building_blocks/Creating_fancy_letterheaded_paper)
    21. [ Assessment: A cool-looking box ](/en-US/docs/Learn/CSS/Building_blocks/A_cool_looking_box)
  6. Styling text 
    1. [ Styling text overview ](/en-US/docs/Learn/CSS/Styling_text)
    2. [ Fundamental text and font styling ](/en-US/docs/Learn/CSS/Styling_text/Fundamentals)
    3. [ Styling lists ](/en-US/docs/Learn/CSS/Styling_text/Styling_lists)
    4. [ Styling links ](/en-US/docs/Learn/CSS/Styling_text/Styling_links)
    5. [ Web fonts ](/en-US/docs/Learn/CSS/Styling_text/Web_fonts)
    6. [ Assessment: Typesetting a community school homepage ](/en-US/docs/Learn/CSS/Styling_text/Typesetting_a_homepage)
  7. CSS layout 
    1. [ CSS layout overview ](/en-US/docs/Learn/CSS/CSS_layout)
    2. [ Introduction to CSS layout ](/en-US/docs/Learn/CSS/CSS_layout/Introduction)
    3. [ Normal Flow ](/en-US/docs/Learn/CSS/CSS_layout/Normal_Flow)
    4. [ Flexbox ](/en-US/docs/Learn/CSS/CSS_layout/Flexbox)
    5. [ Grids ](/en-US/docs/Learn/CSS/CSS_layout/Grids)
    6. [ Floats ](/en-US/docs/Learn/CSS/CSS_layout/Floats)
    7. [ Positioning ](/en-US/docs/Learn/CSS/CSS_layout/Positioning)
    8. [ Multiple-column layout ](/en-US/docs/Learn/CSS/CSS_layout/Multiple-column_Layout)
    9. [ Responsive design ](/en-US/docs/Learn/CSS/CSS_layout/Responsive_Design)
    10. [ Beginner's guide to media queries ](/en-US/docs/Learn/CSS/CSS_layout/Media_queries)
    11. [ Legacy layout methods ](/en-US/docs/Learn/CSS/CSS_layout/Legacy_Layout_Methods)
    12. [ Supporting older browsers ](/en-US/docs/Learn/CSS/CSS_layout/Supporting_Older_Browsers)
    13. [ Assessment: Fundamental layout comprehension ](/en-US/docs/Learn/CSS/CSS_layout/Fundamental_Layout_Comprehension)
  8. [ **Reference** ](/en-US/docs/Web/CSS/Reference)
  9. Modules 
    1. [ CSS animations ](/en-US/docs/Web/CSS/CSS_animations)
    2. [ CSS backgrounds and borders ](/en-US/docs/Web/CSS/CSS_backgrounds_and_borders)
    3. [ CSS basic user interface ](/en-US/docs/Web/CSS/CSS_basic_user_interface)
    4. [ CSS box alignment ](/en-US/docs/Web/CSS/CSS_box_alignment)
    5. [ CSS box model ](/en-US/docs/Web/CSS/CSS_box_model)
    6. [ CSS cascade and inheritance ](/en-US/docs/Web/CSS/CSS_cascade)
    7. [ CSS custom properties for cascading variables ](/en-US/docs/Web/CSS/CSS_cascading_variables)
    8. [ CSS color adjustment ](/en-US/docs/Web/CSS/CSS_color_adjustment)
    9. [ CSS colors ](/en-US/docs/Web/CSS/CSS_colors)
    10. [ CSS compositing and blending ](/en-US/docs/Web/CSS/CSS_compositing_and_blending)
    11. [ CSS conditional rules ](/en-US/docs/Web/CSS/CSS_conditional_rules)
    12. [ CSS containment ](/en-US/docs/Web/CSS/CSS_containment)
    13. [ CSS counter styles ](/en-US/docs/Web/CSS/CSS_counter_styles)
    14. [ CSS display ](/en-US/docs/Web/CSS/CSS_display)
    15. [ CSS filter effects ](/en-US/docs/Web/CSS/CSS_filter_effects)
    16. [ CSS flexibl