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CSS Worksheet: Flexbox Basics

HTML and CSS lesson 18: Flexbox basics · Set 118 · 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 equal gaps, none at ends? (a) flex-start (b) space-between (c) center (d) flex-end
  2. 2.💪 Which flexbox property turns on flexbox? (a) justify-content (b) display: flex (c) flex-direction (d) align-items
  3. 3.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
  4. 4.💪 How wide (px) is each gap between two boxes?
    .row {
      display: flex;
      width: 140px;
      justify-content: space-between;
    }
    Inside are 2 boxes, each 60px wide (no margins).
  5. 5.💪 Which flexbox property spaces boxes along a row? (a) align-items (b) display: flex (c) flex-direction (d) justify-content
  6. 6.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 120px;
      justify-content: flex-end;
    }
    Inside are 2 boxes, each 40px wide (no margins).
  7. 7.What does justify-content: space-between do? (a) packs boxes at the start (b) packs boxes at the end (c) puts boxes in the middle (d) equal gaps, none at ends
  8. 8.💪 How wide (px) is each gap between two boxes?
    .row {
      display: flex;
      width: 640px;
      justify-content: space-between;
    }
    Inside are 4 boxes, each 100px wide (no margins).
  9. 9.💪 Which justify-content value packs boxes at the end? (a) center (b) flex-start (c) space-between (d) flex-end
  10. 10.💪 Which justify-content value packs boxes at the start? (a) flex-start (b) center (c) space-between (d) flex-end
  11. 11.💪 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).
  12. 12.💪 How wide (px) is each gap between two boxes?
    .row {
      display: flex;
      width: 320px;
      justify-content: space-between;
    }
    Inside are 3 boxes, each 60px wide (no margins).
  13. 13.What does justify-content: flex-end do? (a) equal gaps, none at ends (b) packs boxes at the start (c) puts boxes in the middle (d) packs boxes at the end
  14. 14.What does justify-content: center 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
  15. 15.💪 Which justify-content value puts boxes in the middle? (a) flex-end (b) center (c) space-between (d) flex-start
  16. 16.💪 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).
  17. 17.💪 How wide (px) is each gap between two boxes?
    .row {
      display: flex;
      width: 240px;
      justify-content: space-between;
    }
    Inside are 3 boxes, each 40px wide (no margins).
  18. 18.💪 How wide (px) is each gap between two boxes?
    .row {
      display: flex;
      width: 520px;
      justify-content: space-between;
    }
    Inside are 4 boxes, each 100px wide (no margins).
  19. 19.💪 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 40px wide (no margins).
  20. 20.💪 Which flexbox property picks row or column? (a) display: flex (b) flex-direction (c) justify-content (d) align-items
  21. 21.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 440px;
      justify-content: flex-end;
    }
    Inside are 4 boxes, each 100px wide (no margins).
  22. 22.💪 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).
  23. 23.💪 Which flexbox property lines boxes up across? (a) align-items (b) gap (c) flex-direction (d) display: flex
  24. 24.💪 Which flexbox property sets space between boxes? (a) justify-content (b) gap (c) align-items (d) display: flex
  25. 25.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 170px;
      justify-content: flex-end;
    }
    Inside are 2 boxes, each 60px wide (no margins).
  26. 26.💪 How much empty space (px) is left after the last box?
    .row {
      display: flex;
      width: 310px;
      justify-content: flex-start;
    }
    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: 90px;
      justify-content: flex-end;
    }
    Inside are 2 boxes, each 40px wide (no margins).
  28. 28.💪 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 40px wide (no margins).
  29. 29.💪 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).
  30. 30.💪 How much empty space (px) is left after the last box?
    .row {
      display: flex;
      width: 230px;
      justify-content: flex-start;
    }
    Inside are 4 boxes, each 40px wide (no margins).
  31. 31.💪 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).
  32. 32.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 200px;
      justify-content: flex-end;
    }
    Inside are 3 boxes, each 60px wide (no margins).
  33. 33.💪 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).
  34. 34.💪 How wide (px) is each gap between two boxes?
    .row {
      display: flex;
      width: 550px;
      justify-content: space-between;
    }
    Inside are 4 boxes, each 100px wide (no margins).
  35. 35.💪 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 50px wide (no margins).
  36. 36.💪 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).
  37. 37.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 220px;
      justify-content: center;
    }
    Inside are 4 boxes, each 50px wide (no margins).
  38. 38.💪 How much empty space (px) is left after the last box?
    .row {
      display: flex;
      width: 230px;
      justify-content: flex-start;
    }
    Inside are 2 boxes, each 100px wide (no margins).
  39. 39.💪 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).
  40. 40.💪 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).

Answer key

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

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