Intro to colour and vertical layout

123456789101112131415161718
Across
  1. 5. Red, Green, Blue in additive colour mixing
  2. 6. Outline around content, separate from padding
  3. 7. Property to set text alignment
  4. 9. Space around content, like 50 pixels on the left
  5. 10. Property to set the background colour of an element
  6. 12. Empty space around elements
  7. 14. Colours like green and blue, providing a serious vibe
  8. 17. Property to set the thickness of characters
  9. 18. Colours specified by name, like orange or green
Down
  1. 1. Space to the right of an element
  2. 2. Vertical space between lines of text
  3. 3. Space below an element
  4. 4. Mixing lights to create new colours, like RGB on screens
  5. 8. Space above an element
  6. 11. Combination of colours affecting website perception
  7. 12. Colours like red and orange, giving a friendly feel
  8. 13. Space to the left of an element
  9. 15. Representation of colours using three numbers for red, green, blue
  10. 16. Space inside content, not affecting border size