Computer crossword puzzle

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Across
  1. 4. - are the horizontal line that separate the different sections also known as imaginary line
  2. 5. tags - stand alone tag or unpaired tag
  3. 7. - are the vertical spatial zone or regions - that fit fully from the top to the bottom
  4. 8. css - Include within the head section document
  5. 9. - Always be equal between columns on rows in order to maintain a visual balance
  6. 11. system - is a set of measurement a graphic designer can use to align
  7. 14. - areas inside the running header
  8. 16. tags - has a companion first tag opening second closing
  9. 17. - uses basic text formating in order to make and edit text files
  10. 18. - used in order to view web pages around
  11. 19. grid system - offers a grid based layout system with rows and columns
Down
  1. 1. - is a open source front end frame work used for designing website and application
  2. 2. - is a full area where the final design will be laid out
  3. 3. Css - an inline style maybe used to apply a unique style
  4. 6. - are the empty spaces between the edges of the format and content
  5. 10. - are the horizontal spatial zone fit fully from the left to right margins
  6. 12. Query - is a css technique introduce in css3
  7. 13. Mark up language - is the basic language in making a wed pagesite
  8. 14. - are the building blocks of any grid
  9. 15. css - An external css is just a text file conataining value rules