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CSS Worksheet: Flexbox Basics

HTML and CSS lesson 18: Flexbox basics · Set 769 · 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 justify-content value puts boxes in the middle? (a) flex-end (b) center (c) flex-start (d) space-between
  2. 2.💪 Which justify-content value equal gaps, none at ends? (a) flex-end (b) flex-start (c) space-between (d) center
  3. 3.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
  4. 4.💪 Which flexbox property picks row or column? (a) display: flex (b) gap (c) justify-content (d) flex-direction
  5. 5.💪 Which justify-content value packs boxes at the start? (a) center (b) space-between (c) flex-end (d) flex-start
  6. 6.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 180px;
      justify-content: center;
    }
    Inside are 2 boxes, each 80px wide (no margins).
  7. 7.What does justify-content: flex-start do? (a) puts boxes in the middle (b) packs boxes at the end (c) equal gaps, none at ends (d) packs boxes at the start
  8. 8.💪 How wide (px) is each gap between two boxes?
    .row {
      display: flex;
      width: 140px;
      justify-content: space-between;
    }
    Inside are 3 boxes, each 40px wide (no margins).
  9. 9.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 160px;
      justify-content: center;
    }
    Inside are 2 boxes, each 40px wide (no margins).
  10. 10.💪 Which flexbox property lines boxes up across? (a) justify-content (b) align-items (c) display: flex (d) flex-direction
  11. 11.💪 Which flexbox property spaces boxes along a row? (a) flex-direction (b) display: flex (c) align-items (d) justify-content
  12. 12.What does justify-content: center do? (a) packs boxes at the start (b) equal gaps, none at ends (c) puts boxes in the middle (d) packs boxes at the end
  13. 13.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 110px;
      justify-content: flex-end;
    }
    Inside are 2 boxes, each 50px wide (no margins).
  14. 14.💪 How wide (px) is each gap between two boxes?
    .row {
      display: flex;
      width: 400px;
      justify-content: space-between;
    }
    Inside are 4 boxes, each 40px wide (no margins).
  15. 15.💪 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 80px wide (no margins).
  16. 16.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 220px;
      justify-content: center;
    }
    Inside are 4 boxes, each 40px wide (no margins).
  17. 17.💪 How much empty space (px) is left after the last box?
    .row {
      display: flex;
      width: 210px;
      justify-content: flex-start;
    }
    Inside are 3 boxes, each 50px wide (no margins).
  18. 18.💪 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).
  19. 19.💪 Which flexbox property turns on flexbox? (a) justify-content (b) gap (c) display: flex (d) align-items
  20. 20.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 120px;
      justify-content: center;
    }
    Inside are 2 boxes, each 50px wide (no margins).
  21. 21.💪 How much empty space (px) is left after the last box?
    .row {
      display: flex;
      width: 350px;
      justify-content: flex-start;
    }
    Inside are 3 boxes, each 100px wide (no margins).
  22. 22.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 190px;
      justify-content: flex-end;
    }
    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: 340px;
      justify-content: center;
    }
    Inside are 3 boxes, each 100px wide (no margins).
  24. 24.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 320px;
      justify-content: center;
    }
    Inside are 2 boxes, each 80px wide (no margins).
  25. 25.💪 How wide (px) is each gap between two boxes?
    .row {
      display: flex;
      width: 130px;
      justify-content: space-between;
    }
    Inside are 2 boxes, each 40px wide (no margins).
  26. 26.💪 How much empty space (px) is left after the last box?
    .row {
      display: flex;
      width: 170px;
      justify-content: flex-start;
    }
    Inside are 2 boxes, each 50px wide (no margins).
  27. 27.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 320px;
      justify-content: flex-end;
    }
    Inside are 3 boxes, each 100px wide (no margins).
  28. 28.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 170px;
      justify-content: center;
    }
    Inside are 3 boxes, each 50px wide (no margins).
  29. 29.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 350px;
      justify-content: flex-end;
    }
    Inside are 4 boxes, each 80px wide (no margins).
  30. 30.💪 How wide (px) is each gap between two boxes?
    .row {
      display: flex;
      width: 230px;
      justify-content: space-between;
    }
    Inside are 2 boxes, each 80px wide (no margins).
  31. 31.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 360px;
      justify-content: center;
    }
    Inside are 3 boxes, each 80px wide (no margins).
  32. 32.What does justify-content: flex-end do? (a) puts boxes in the middle (b) packs boxes at the start (c) equal gaps, none at ends (d) packs boxes at the end
  33. 33.💪 How wide (px) is each gap between two boxes?
    .row {
      display: flex;
      width: 240px;
      justify-content: space-between;
    }
    Inside are 3 boxes, each 60px wide (no margins).
  34. 34.💪 Which justify-content value packs boxes at the end? (a) flex-end (b) center (c) space-between (d) flex-start
  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 60px wide (no margins).
  36. 36.💪 How wide (px) is each gap between two boxes?
    .row {
      display: flex;
      width: 190px;
      justify-content: space-between;
    }
    Inside are 4 boxes, each 40px wide (no margins).
  37. 37.💪 Which flexbox property sets space between boxes? (a) align-items (b) flex-direction (c) gap (d) justify-content
  38. 38.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 180px;
      justify-content: flex-end;
    }
    Inside are 2 boxes, each 80px wide (no margins).
  39. 39.💪 How much empty space (px) is left after the last box?
    .row {
      display: flex;
      width: 180px;
      justify-content: flex-start;
    }
    Inside are 4 boxes, each 40px wide (no margins).
  40. 40.💪 How wide (px) is each gap between two boxes?
    .row {
      display: flex;
      width: 220px;
      justify-content: space-between;
    }
    Inside are 3 boxes, each 60px wide (no margins).

Answer key

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

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