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CSS Worksheet: Flexbox Basics

HTML and CSS lesson 18: Flexbox basics · Set 524 · 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 sets space between boxes? (a) justify-content (b) align-items (c) gap (d) flex-direction
  2. 2.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 130px;
      justify-content: flex-end;
    }
    Inside are 2 boxes, each 50px wide (no margins).
  3. 3.What does justify-content: center do? (a) equal gaps, none at ends (b) packs boxes at the end (c) packs boxes at the start (d) puts boxes in the middle
  4. 4.💪 Which flexbox property picks row or column? (a) justify-content (b) display: flex (c) gap (d) flex-direction
  5. 5.💪 How wide (px) is each gap between two boxes?
    .row {
      display: flex;
      width: 560px;
      justify-content: space-between;
    }
    Inside are 4 boxes, each 80px wide (no margins).
  6. 6.💪 Which justify-content value equal gaps, none at ends? (a) space-between (b) flex-start (c) flex-end (d) center
  7. 7.💪 Which flexbox property turns on flexbox? (a) justify-content (b) align-items (c) flex-direction (d) display: flex
  8. 8.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 200px;
      justify-content: center;
    }
    Inside are 2 boxes, each 60px wide (no margins).
  9. 9.What does justify-content: flex-end do? (a) puts boxes in the middle (b) packs boxes at the start (c) packs boxes at the end (d) equal gaps, none at ends
  10. 10.💪 Which justify-content value packs boxes at the end? (a) center (b) flex-start (c) flex-end (d) space-between
  11. 11.💪 Which flexbox property lines boxes up across? (a) display: flex (b) align-items (c) justify-content (d) flex-direction
  12. 12.💪 Which flexbox property spaces boxes along a row? (a) display: flex (b) flex-direction (c) justify-content (d) align-items
  13. 13.💪 How wide (px) is each gap between two boxes?
    .row {
      display: flex;
      width: 440px;
      justify-content: space-between;
    }
    Inside are 3 boxes, each 100px wide (no margins).
  14. 14.What does justify-content: space-between do? (a) packs boxes at the start (b) puts boxes in the middle (c) equal gaps, none at ends (d) packs boxes at the end
  15. 15.What does justify-content: flex-start do? (a) packs boxes at the end (b) packs boxes at the start (c) equal gaps, none at ends (d) puts boxes in the middle
  16. 16.💪 How much empty space (px) is left after the last box?
    .row {
      display: flex;
      width: 220px;
      justify-content: flex-start;
    }
    Inside are 2 boxes, each 100px wide (no margins).
  17. 17.💪 How wide (px) is each gap between two boxes?
    .row {
      display: flex;
      width: 480px;
      justify-content: space-between;
    }
    Inside are 4 boxes, each 60px wide (no margins).
  18. 18.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 110px;
      justify-content: flex-end;
    }
    Inside are 2 boxes, each 40px wide (no margins).
  19. 19.💪 Which justify-content value puts boxes in the middle? (a) flex-start (b) flex-end (c) space-between (d) center
  20. 20.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 160px;
      justify-content: flex-end;
    }
    Inside are 2 boxes, each 60px wide (no margins).
  21. 21.💪 How much empty space (px) is left after the last box?
    .row {
      display: flex;
      width: 210px;
      justify-content: flex-start;
    }
    Inside are 4 boxes, each 40px wide (no margins).
  22. 22.💪 How much empty space (px) is left after the last box?
    .row {
      display: flex;
      width: 140px;
      justify-content: flex-start;
    }
    Inside are 2 boxes, each 60px wide (no margins).
  23. 23.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 320px;
      justify-content: center;
    }
    Inside are 3 boxes, each 80px wide (no margins).
  24. 24.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 420px;
      justify-content: center;
    }
    Inside are 3 boxes, each 100px wide (no margins).
  25. 25.💪 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 40px wide (no margins).
  26. 26.💪 Which justify-content value packs boxes at the start? (a) flex-start (b) space-between (c) center (d) flex-end
  27. 27.💪 How much empty space (px) is left after the last box?
    .row {
      display: flex;
      width: 110px;
      justify-content: flex-start;
    }
    Inside are 2 boxes, each 50px wide (no margins).
  28. 28.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 230px;
      justify-content: flex-end;
    }
    Inside are 2 boxes, each 100px wide (no margins).
  29. 29.💪 How wide (px) is each gap between two boxes?
    .row {
      display: flex;
      width: 360px;
      justify-content: space-between;
    }
    Inside are 3 boxes, each 80px wide (no margins).
  30. 30.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 260px;
      justify-content: center;
    }
    Inside are 2 boxes, each 100px wide (no margins).
  31. 31.💪 How wide (px) is each gap between two boxes?
    .row {
      display: flex;
      width: 360px;
      justify-content: space-between;
    }
    Inside are 3 boxes, each 100px wide (no margins).
  32. 32.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 260px;
      justify-content: center;
    }
    Inside are 3 boxes, each 40px wide (no margins).
  33. 33.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 140px;
      justify-content: center;
    }
    Inside are 2 boxes, each 40px wide (no margins).
  34. 34.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 190px;
      justify-content: flex-end;
    }
    Inside are 4 boxes, each 40px wide (no margins).
  35. 35.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 180px;
      justify-content: flex-end;
    }
    Inside are 2 boxes, each 50px wide (no margins).
  36. 36.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 360px;
      justify-content: flex-end;
    }
    Inside are 3 boxes, each 100px wide (no margins).
  37. 37.💪 How much empty space (px) is left after the last box?
    .row {
      display: flex;
      width: 170px;
      justify-content: flex-start;
    }
    Inside are 3 boxes, each 40px wide (no margins).
  38. 38.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 240px;
      justify-content: center;
    }
    Inside are 4 boxes, each 50px wide (no margins).
  39. 39.💪 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 50px wide (no margins).
  40. 40.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 120px;
      justify-content: flex-end;
    }
    Inside are 2 boxes, each 50px wide (no margins).

Answer key

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

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