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CSS Worksheet: Flexbox Basics

HTML and CSS lesson 18: Flexbox basics · Set 926 · 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.What does justify-content: flex-end do? (a) equal gaps, none at ends (b) puts boxes in the middle (c) packs boxes at the end (d) packs boxes at the start
  2. 2.What does justify-content: flex-start do? (a) puts boxes in the middle (b) packs boxes at the end (c) packs boxes at the start (d) equal gaps, none at ends
  3. 3.💪 Which justify-content value packs boxes at the start? (a) flex-end (b) flex-start (c) center (d) space-between
  4. 4.💪 Which flexbox property spaces boxes along a row? (a) gap (b) flex-direction (c) align-items (d) justify-content
  5. 5.💪 Which flexbox property picks row or column? (a) gap (b) align-items (c) flex-direction (d) justify-content
  6. 6.What does justify-content: space-between do? (a) packs boxes at the start (b) packs boxes at the end (c) equal gaps, none at ends (d) puts boxes in the middle
  7. 7.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 220px;
      justify-content: flex-end;
    }
    Inside are 2 boxes, each 80px wide (no margins).
  8. 8.💪 How much empty space (px) is left after the last box?
    .row {
      display: flex;
      width: 250px;
      justify-content: flex-start;
    }
    Inside are 3 boxes, each 60px wide (no margins).
  9. 9.💪 Which justify-content value puts boxes in the middle? (a) center (b) space-between (c) flex-start (d) flex-end
  10. 10.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 320px;
      justify-content: center;
    }
    Inside are 4 boxes, each 40px wide (no margins).
  11. 11.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 200px;
      justify-content: flex-end;
    }
    Inside are 4 boxes, each 40px wide (no margins).
  12. 12.💪 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).
  13. 13.💪 Which flexbox property sets space between boxes? (a) gap (b) display: flex (c) flex-direction (d) align-items
  14. 14.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 240px;
      justify-content: center;
    }
    Inside are 4 boxes, each 40px wide (no margins).
  15. 15.💪 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).
  16. 16.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 370px;
      justify-content: flex-end;
    }
    Inside are 4 boxes, each 80px wide (no margins).
  17. 17.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 180px;
      justify-content: flex-end;
    }
    Inside are 4 boxes, each 40px wide (no margins).
  18. 18.💪 How much empty space (px) is left after the last box?
    .row {
      display: flex;
      width: 190px;
      justify-content: flex-start;
    }
    Inside are 3 boxes, each 50px wide (no margins).
  19. 19.💪 How wide (px) is each gap between two boxes?
    .row {
      display: flex;
      width: 260px;
      justify-content: space-between;
    }
    Inside are 3 boxes, each 60px wide (no margins).
  20. 20.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 190px;
      justify-content: flex-end;
    }
    Inside are 2 boxes, each 80px wide (no margins).
  21. 21.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 180px;
      justify-content: center;
    }
    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: 480px;
      justify-content: flex-start;
    }
    Inside are 4 boxes, each 100px wide (no margins).
  23. 23.💪 Which justify-content value packs boxes at the end? (a) flex-end (b) space-between (c) center (d) flex-start
  24. 24.💪 Which flexbox property turns on flexbox? (a) flex-direction (b) justify-content (c) display: flex (d) gap
  25. 25.💪 Which flexbox property lines boxes up across? (a) gap (b) flex-direction (c) align-items (d) display: flex
  26. 26.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 140px;
      justify-content: center;
    }
    Inside are 3 boxes, each 40px wide (no margins).
  27. 27.What does justify-content: center do? (a) packs boxes at the end (b) equal gaps, none at ends (c) packs boxes at the start (d) puts boxes in the middle
  28. 28.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 440px;
      justify-content: center;
    }
    Inside are 3 boxes, each 100px wide (no margins).
  29. 29.💪 How much empty space (px) is left after the last box?
    .row {
      display: flex;
      width: 100px;
      justify-content: flex-start;
    }
    Inside are 2 boxes, each 40px wide (no margins).
  30. 30.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 250px;
      justify-content: flex-end;
    }
    Inside are 3 boxes, each 80px wide (no margins).
  31. 31.💪 How wide (px) is each gap between two boxes?
    .row {
      display: flex;
      width: 180px;
      justify-content: space-between;
    }
    Inside are 2 boxes, each 80px wide (no margins).
  32. 32.💪 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).
  33. 33.💪 How much empty space (px) is left after the last box?
    .row {
      display: flex;
      width: 390px;
      justify-content: flex-start;
    }
    Inside are 4 boxes, each 80px wide (no margins).
  34. 34.💪 How wide (px) is each gap between two boxes?
    .row {
      display: flex;
      width: 310px;
      justify-content: space-between;
    }
    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: 150px;
      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: 270px;
      justify-content: flex-end;
    }
    Inside are 2 boxes, each 100px wide (no margins).
  37. 37.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 140px;
      justify-content: flex-end;
    }
    Inside are 2 boxes, each 40px wide (no margins).
  38. 38.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 180px;
      justify-content: center;
    }
    Inside are 2 boxes, each 60px wide (no margins).
  39. 39.💪 How wide (px) is each gap between two boxes?
    .row {
      display: flex;
      width: 160px;
      justify-content: space-between;
    }
    Inside are 2 boxes, each 50px wide (no margins).
  40. 40.💪 How wide (px) is each gap between two boxes?
    .row {
      display: flex;
      width: 440px;
      justify-content: space-between;
    }
    Inside are 4 boxes, each 80px wide (no margins).

Answer key

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

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