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CSS Worksheet: Flexbox Basics

HTML and CSS lesson 18: Flexbox basics · Set 242 · 40 questions
TalentJR

Code tip (Find the free space): Free space = container width − number of boxes × box width. flex-start: all free space after the last box; flex-end: all before the first box; center: half on each side. space-between: free space ÷ (boxes − 1) between each pair, none at the ends.

NameDateTime takenScore ___ / 40
  1. 1.💪 Which flexbox property spaces boxes along a row? (a) display: flex (b) gap (c) align-items (d) justify-content
  2. 2.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 170px;
      justify-content: flex-end;
    }
    Inside are 4 boxes, each 40px wide (no margins).
  3. 3.💪 Which flexbox property picks row or column? (a) flex-direction (b) gap (c) display: flex (d) align-items
  4. 4.💪 How much empty space (px) is left after the last box?
    .row {
      display: flex;
      width: 180px;
      justify-content: flex-start;
    }
    Inside are 2 boxes, each 50px wide (no margins).
  5. 5.💪 How wide (px) is each gap between two boxes?
    .row {
      display: flex;
      width: 90px;
      justify-content: space-between;
    }
    Inside are 2 boxes, each 40px wide (no margins).
  6. 6.What does justify-content: flex-start do? (a) puts boxes in the middle (b) equal gaps, none at ends (c) packs boxes at the start (d) packs boxes at the end
  7. 7.💪 Which justify-content value packs boxes at the end? (a) center (b) space-between (c) flex-start (d) flex-end
  8. 8.💪 Which flexbox property turns on flexbox? (a) flex-direction (b) display: flex (c) justify-content (d) align-items
  9. 9.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 260px;
      justify-content: flex-end;
    }
    Inside are 2 boxes, each 100px wide (no margins).
  10. 10.💪 Which justify-content value packs boxes at the start? (a) space-between (b) flex-end (c) flex-start (d) center
  11. 11.💪 Which justify-content value puts boxes in the middle? (a) space-between (b) center (c) flex-end (d) flex-start
  12. 12.💪 How much empty space (px) is left after the last box?
    .row {
      display: flex;
      width: 230px;
      justify-content: flex-start;
    }
    Inside are 3 boxes, each 60px wide (no margins).
  13. 13.What does justify-content: space-between do? (a) equal gaps, none at ends (b) packs boxes at the start (c) packs boxes at the end (d) puts boxes in the middle
  14. 14.💪 How wide (px) is each gap between two boxes?
    .row {
      display: flex;
      width: 380px;
      justify-content: space-between;
    }
    Inside are 4 boxes, each 50px wide (no margins).
  15. 15.💪 Which flexbox property lines boxes up across? (a) display: flex (b) justify-content (c) align-items (d) flex-direction
  16. 16.💪 Which justify-content value equal gaps, none at ends? (a) flex-start (b) center (c) space-between (d) flex-end
  17. 17.What does justify-content: flex-end do? (a) packs boxes at the end (b) packs boxes at the start (c) puts boxes in the middle (d) equal gaps, none at ends
  18. 18.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 470px;
      justify-content: flex-end;
    }
    Inside are 4 boxes, each 100px wide (no margins).
  19. 19.💪 How much empty space (px) is left after the last box?
    .row {
      display: flex;
      width: 150px;
      justify-content: flex-start;
    }
    Inside are 2 boxes, each 50px wide (no margins).
  20. 20.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 300px;
      justify-content: flex-end;
    }
    Inside are 4 boxes, each 60px wide (no margins).
  21. 21.What does justify-content: center do? (a) packs boxes at the end (b) puts boxes in the middle (c) packs boxes at the start (d) equal gaps, none at ends
  22. 22.💪 How much empty space (px) is left after the last box?
    .row {
      display: flex;
      width: 130px;
      justify-content: flex-start;
    }
    Inside are 2 boxes, each 40px wide (no margins).
  23. 23.💪 Which flexbox property sets space between boxes? (a) flex-direction (b) display: flex (c) justify-content (d) gap
  24. 24.💪 How much empty space (px) is left after the last box?
    .row {
      display: flex;
      width: 340px;
      justify-content: flex-start;
    }
    Inside are 4 boxes, each 80px wide (no margins).
  25. 25.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 260px;
      justify-content: flex-end;
    }
    Inside are 3 boxes, each 60px wide (no margins).
  26. 26.💪 How much empty space (px) is left after the last box?
    .row {
      display: flex;
      width: 470px;
      justify-content: flex-start;
    }
    Inside are 4 boxes, each 100px wide (no margins).
  27. 27.💪 How wide (px) is each gap between two boxes?
    .row {
      display: flex;
      width: 160px;
      justify-content: space-between;
    }
    Inside are 2 boxes, each 60px wide (no margins).
  28. 28.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 170px;
      justify-content: flex-end;
    }
    Inside are 2 boxes, each 80px wide (no margins).
  29. 29.💪 How wide (px) is each gap between two boxes?
    .row {
      display: flex;
      width: 160px;
      justify-content: space-between;
    }
    Inside are 3 boxes, each 40px wide (no margins).
  30. 30.💪 How wide (px) is each gap between two boxes?
    .row {
      display: flex;
      width: 280px;
      justify-content: space-between;
    }
    Inside are 4 boxes, each 40px wide (no margins).
  31. 31.💪 How much empty space (px) is left after the last box?
    .row {
      display: flex;
      width: 280px;
      justify-content: flex-start;
    }
    Inside are 4 boxes, each 50px wide (no margins).
  32. 32.💪 How wide (px) is each gap between two boxes?
    .row {
      display: flex;
      width: 220px;
      justify-content: space-between;
    }
    Inside are 2 boxes, each 100px wide (no margins).
  33. 33.💪 How wide (px) is each gap between two boxes?
    .row {
      display: flex;
      width: 110px;
      justify-content: space-between;
    }
    Inside are 2 boxes, each 50px wide (no margins).
  34. 34.💪 How wide (px) is each gap between two boxes?
    .row {
      display: flex;
      width: 100px;
      justify-content: space-between;
    }
    Inside are 2 boxes, each 40px wide (no margins).
  35. 35.💪 How much empty space (px) is left after the last box?
    .row {
      display: flex;
      width: 380px;
      justify-content: flex-start;
    }
    Inside are 4 boxes, each 80px wide (no margins).
  36. 36.💪 How much empty space (px) is left after the last box?
    .row {
      display: flex;
      width: 200px;
      justify-content: flex-start;
    }
    Inside are 4 boxes, each 40px wide (no margins).
  37. 37.💪 How wide (px) is each gap between two boxes?
    .row {
      display: flex;
      width: 210px;
      justify-content: space-between;
    }
    Inside are 2 boxes, each 80px wide (no margins).
  38. 38.💪 How wide (px) is each gap between two boxes?
    .row {
      display: flex;
      width: 140px;
      justify-content: space-between;
    }
    Inside are 2 boxes, each 50px wide (no margins).
  39. 39.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 380px;
      justify-content: flex-end;
    }
    Inside are 4 boxes, each 80px wide (no margins).
  40. 40.💪 How wide (px) is each gap between two boxes?
    .row {
      display: flex;
      width: 200px;
      justify-content: space-between;
    }
    Inside are 2 boxes, each 60px wide (no margins).

Answer key

  1. justify-content
  2. 10
  3. flex-direction
  4. 80
  5. 10
  6. packs boxes at the start
  7. flex-end
  8. display: flex
  9. 60
  10. flex-start
  11. center
  12. 50
  13. equal gaps, none at ends
  14. 60
  15. align-items
  16. space-between
  17. packs boxes at the end
  18. 70
  19. 50
  20. 60
  21. puts boxes in the middle
  22. 50
  23. gap
  24. 20
  25. 80
  26. 70
  27. 40
  28. 10
  29. 20
  30. 40
  31. 80
  32. 20
  33. 10
  34. 20
  35. 60
  36. 40
  37. 50
  38. 40
  39. 60
  40. 80

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