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CSS Worksheet: Flexbox Basics

HTML and CSS lesson 18: Flexbox basics · Set 933 · 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 packs boxes at the start? (a) flex-end (b) flex-start (c) space-between (d) center
  2. 2.What does justify-content: space-between 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
  3. 3.💪 How wide (px) is each gap between two boxes?
    .row {
      display: flex;
      width: 440px;
      justify-content: space-between;
    }
    Inside are 4 boxes, each 50px wide (no margins).
  4. 4.What does justify-content: flex-end do? (a) packs boxes at the start (b) puts boxes in the middle (c) packs boxes at the end (d) equal gaps, none at ends
  5. 5.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 230px;
      justify-content: center;
    }
    Inside are 3 boxes, each 50px wide (no margins).
  6. 6.What does justify-content: flex-start 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
  7. 7.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 140px;
      justify-content: flex-end;
    }
    Inside are 2 boxes, each 60px wide (no margins).
  8. 8.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 220px;
      justify-content: flex-end;
    }
    Inside are 2 boxes, each 100px wide (no margins).
  9. 9.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 340px;
      justify-content: center;
    }
    Inside are 3 boxes, each 80px wide (no margins).
  10. 10.💪 Which flexbox property lines boxes up across? (a) display: flex (b) gap (c) align-items (d) justify-content
  11. 11.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 280px;
      justify-content: center;
    }
    Inside are 3 boxes, each 40px wide (no margins).
  12. 12.💪 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).
  13. 13.💪 How wide (px) is each gap between two boxes?
    .row {
      display: flex;
      width: 230px;
      justify-content: space-between;
    }
    Inside are 4 boxes, each 50px wide (no margins).
  14. 14.💪 Which justify-content value puts boxes in the middle? (a) flex-start (b) flex-end (c) space-between (d) center
  15. 15.💪 How wide (px) is each gap between two boxes?
    .row {
      display: flex;
      width: 140px;
      justify-content: space-between;
    }
    Inside are 2 boxes, each 40px wide (no margins).
  16. 16.💪 How much empty space (px) is left after the last box?
    .row {
      display: flex;
      width: 410px;
      justify-content: flex-start;
    }
    Inside are 4 boxes, each 100px wide (no margins).
  17. 17.💪 How wide (px) is each gap between two boxes?
    .row {
      display: flex;
      width: 130px;
      justify-content: space-between;
    }
    Inside are 2 boxes, each 60px wide (no margins).
  18. 18.💪 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).
  19. 19.💪 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).
  20. 20.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 310px;
      justify-content: center;
    }
    Inside are 3 boxes, each 50px wide (no margins).
  21. 21.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 280px;
      justify-content: center;
    }
    Inside are 4 boxes, each 60px wide (no margins).
  22. 22.💪 Which justify-content value equal gaps, none at ends? (a) space-between (b) center (c) flex-end (d) flex-start
  23. 23.💪 Which flexbox property spaces boxes along a row? (a) flex-direction (b) align-items (c) justify-content (d) display: flex
  24. 24.💪 How wide (px) is each gap between two boxes?
    .row {
      display: flex;
      width: 300px;
      justify-content: space-between;
    }
    Inside are 3 boxes, each 60px wide (no margins).
  25. 25.💪 Which justify-content value packs boxes at the end? (a) flex-start (b) space-between (c) center (d) flex-end
  26. 26.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 330px;
      justify-content: flex-end;
    }
    Inside are 4 boxes, each 80px wide (no margins).
  27. 27.What does justify-content: center do? (a) equal gaps, none at ends (b) puts boxes in the middle (c) packs boxes at the start (d) packs boxes at the end
  28. 28.💪 How much empty space (px) is left after the last box?
    .row {
      display: flex;
      width: 260px;
      justify-content: flex-start;
    }
    Inside are 3 boxes, each 60px wide (no margins).
  29. 29.💪 How much empty space (px) is left after the last box?
    .row {
      display: flex;
      width: 260px;
      justify-content: flex-start;
    }
    Inside are 4 boxes, each 60px wide (no margins).
  30. 30.💪 Which flexbox property sets space between boxes? (a) align-items (b) display: flex (c) flex-direction (d) gap
  31. 31.💪 How wide (px) is each gap between two boxes?
    .row {
      display: flex;
      width: 390px;
      justify-content: space-between;
    }
    Inside are 4 boxes, each 60px wide (no margins).
  32. 32.💪 How wide (px) is each gap between two boxes?
    .row {
      display: flex;
      width: 280px;
      justify-content: space-between;
    }
    Inside are 3 boxes, each 80px wide (no margins).
  33. 33.💪 Which flexbox property picks row or column? (a) justify-content (b) align-items (c) flex-direction (d) gap
  34. 34.💪 How wide (px) is each gap between two boxes?
    .row {
      display: flex;
      width: 170px;
      justify-content: space-between;
    }
    Inside are 3 boxes, each 50px wide (no margins).
  35. 35.💪 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 60px wide (no margins).
  36. 36.💪 How wide (px) is each gap between two boxes?
    .row {
      display: flex;
      width: 410px;
      justify-content: space-between;
    }
    Inside are 4 boxes, each 80px wide (no margins).
  37. 37.💪 How much empty space (px) is left after the last box?
    .row {
      display: flex;
      width: 240px;
      justify-content: flex-start;
    }
    Inside are 2 boxes, each 100px wide (no margins).
  38. 38.💪 Which flexbox property turns on flexbox? (a) flex-direction (b) gap (c) display: flex (d) justify-content
  39. 39.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 320px;
      justify-content: flex-end;
    }
    Inside are 3 boxes, each 80px wide (no margins).
  40. 40.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 430px;
      justify-content: flex-end;
    }
    Inside are 4 boxes, each 100px wide (no margins).

Answer key

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

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