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CSS Worksheet: Flexbox Basics

HTML and CSS lesson 18: Flexbox basics · Set 287 · 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) space-between (b) flex-end (c) center (d) flex-start
  2. 2.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
  3. 3.💪 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).
  4. 4.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 400px;
      justify-content: center;
    }
    Inside are 4 boxes, each 60px wide (no margins).
  5. 5.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 300px;
      justify-content: center;
    }
    Inside are 2 boxes, each 100px wide (no margins).
  6. 6.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 200px;
      justify-content: flex-end;
    }
    Inside are 2 boxes, each 80px wide (no margins).
  7. 7.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 210px;
      justify-content: flex-end;
    }
    Inside are 3 boxes, each 60px wide (no margins).
  8. 8.💪 How much empty space (px) is left after the last box?
    .row {
      display: flex;
      width: 200px;
      justify-content: flex-start;
    }
    Inside are 2 boxes, each 80px wide (no margins).
  9. 9.💪 Which justify-content value puts boxes in the middle? (a) space-between (b) flex-start (c) center (d) flex-end
  10. 10.💪 Which flexbox property picks row or column? (a) justify-content (b) gap (c) flex-direction (d) display: flex
  11. 11.💪 Which flexbox property lines boxes up across? (a) display: flex (b) gap (c) align-items (d) flex-direction
  12. 12.💪 Which flexbox property spaces boxes along a row? (a) display: flex (b) gap (c) justify-content (d) align-items
  13. 13.💪 How much empty space (px) is left after the last box?
    .row {
      display: flex;
      width: 160px;
      justify-content: flex-start;
    }
    Inside are 3 boxes, each 50px wide (no margins).
  14. 14.💪 How wide (px) is each gap between two boxes?
    .row {
      display: flex;
      width: 150px;
      justify-content: space-between;
    }
    Inside are 2 boxes, each 60px wide (no margins).
  15. 15.💪 Which flexbox property turns on flexbox? (a) display: flex (b) justify-content (c) gap (d) flex-direction
  16. 16.💪 Which justify-content value packs boxes at the end? (a) center (b) flex-start (c) flex-end (d) space-between
  17. 17.💪 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).
  18. 18.💪 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).
  19. 19.💪 How wide (px) is each gap between two boxes?
    .row {
      display: flex;
      width: 190px;
      justify-content: space-between;
    }
    Inside are 2 boxes, each 80px wide (no margins).
  20. 20.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 210px;
      justify-content: flex-end;
    }
    Inside are 4 boxes, each 40px wide (no margins).
  21. 21.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 350px;
      justify-content: flex-end;
    }
    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: 270px;
      justify-content: flex-end;
    }
    Inside are 4 boxes, each 60px wide (no margins).
  23. 23.💪 How much empty space (px) is left after the last box?
    .row {
      display: flex;
      width: 360px;
      justify-content: flex-start;
    }
    Inside are 4 boxes, each 80px wide (no margins).
  24. 24.What does justify-content: center 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
  25. 25.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 100px;
      justify-content: flex-end;
    }
    Inside are 2 boxes, each 40px wide (no margins).
  26. 26.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 380px;
      justify-content: center;
    }
    Inside are 3 boxes, each 80px wide (no margins).
  27. 27.💪 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).
  28. 28.💪 How wide (px) is each gap between two boxes?
    .row {
      display: flex;
      width: 280px;
      justify-content: space-between;
    }
    Inside are 2 boxes, each 100px wide (no margins).
  29. 29.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 200px;
      justify-content: flex-end;
    }
    Inside are 3 boxes, each 40px wide (no margins).
  30. 30.💪 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).
  31. 31.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 210px;
      justify-content: flex-end;
    }
    Inside are 2 boxes, each 100px wide (no margins).
  32. 32.💪 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).
  33. 33.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 240px;
      justify-content: flex-end;
    }
    Inside are 2 boxes, each 100px wide (no margins).
  34. 34.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 340px;
      justify-content: flex-end;
    }
    Inside are 4 boxes, each 80px wide (no margins).
  35. 35.💪 Which justify-content value equal gaps, none at ends? (a) center (b) flex-start (c) space-between (d) flex-end
  36. 36.What does justify-content: space-between 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
  37. 37.💪 How wide (px) is each gap between two boxes?
    .row {
      display: flex;
      width: 370px;
      justify-content: space-between;
    }
    Inside are 4 boxes, each 40px wide (no margins).
  38. 38.💪 How wide (px) is each gap between two boxes?
    .row {
      display: flex;
      width: 220px;
      justify-content: space-between;
    }
    Inside are 3 boxes, each 40px 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 3 boxes, each 40px wide (no margins).
  40. 40.What does justify-content: flex-start 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

Answer key

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

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