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CSS Worksheet: Flexbox Basics

HTML and CSS lesson 18: Flexbox basics · Set 292 · 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) center (b) space-between (c) flex-end (d) flex-start
  2. 2.What does justify-content: flex-end do? (a) packs boxes at the end (b) packs boxes at the start (c) equal gaps, none at ends (d) puts boxes in the middle
  3. 3.💪 Which flexbox property picks row or column? (a) align-items (b) gap (c) flex-direction (d) justify-content
  4. 4.💪 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).
  5. 5.💪 Which flexbox property spaces boxes along a row? (a) align-items (b) gap (c) justify-content (d) flex-direction
  6. 6.💪 How wide (px) is each gap between two boxes?
    .row {
      display: flex;
      width: 100px;
      justify-content: space-between;
    }
    Inside are 2 boxes, each 40px wide (no margins).
  7. 7.What does justify-content: space-between do? (a) equal gaps, none at ends (b) packs boxes at the start (c) packs boxes at the end (d) puts boxes in the middle
  8. 8.💪 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).
  9. 9.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 260px;
      justify-content: center;
    }
    Inside are 3 boxes, each 40px wide (no margins).
  10. 10.What does justify-content: flex-start do? (a) equal gaps, none at ends (b) packs boxes at the end (c) puts boxes in the middle (d) packs boxes at the start
  11. 11.💪 How wide (px) is each gap between two boxes?
    .row {
      display: flex;
      width: 480px;
      justify-content: space-between;
    }
    Inside are 4 boxes, each 60px wide (no margins).
  12. 12.💪 How wide (px) is each gap between two boxes?
    .row {
      display: flex;
      width: 410px;
      justify-content: space-between;
    }
    Inside are 4 boxes, each 50px wide (no margins).
  13. 13.💪 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).
  14. 14.💪 How wide (px) is each gap between two boxes?
    .row {
      display: flex;
      width: 530px;
      justify-content: space-between;
    }
    Inside are 4 boxes, each 80px wide (no margins).
  15. 15.💪 How wide (px) is each gap between two boxes?
    .row {
      display: flex;
      width: 300px;
      justify-content: space-between;
    }
    Inside are 4 boxes, each 60px wide (no margins).
  16. 16.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 140px;
      justify-content: flex-end;
    }
    Inside are 3 boxes, each 40px wide (no margins).
  17. 17.💪 How wide (px) is each gap between two boxes?
    .row {
      display: flex;
      width: 380px;
      justify-content: space-between;
    }
    Inside are 3 boxes, each 100px wide (no margins).
  18. 18.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 240px;
      justify-content: center;
    }
    Inside are 4 boxes, each 50px wide (no margins).
  19. 19.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 150px;
      justify-content: flex-end;
    }
    Inside are 3 boxes, each 40px wide (no margins).
  20. 20.💪 Which flexbox property turns on flexbox? (a) flex-direction (b) display: flex (c) justify-content (d) align-items
  21. 21.💪 How much empty space (px) is left after the last box?
    .row {
      display: flex;
      width: 230px;
      justify-content: flex-start;
    }
    Inside are 3 boxes, each 50px wide (no margins).
  22. 22.💪 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).
  23. 23.💪 Which flexbox property lines boxes up across? (a) display: flex (b) align-items (c) gap (d) flex-direction
  24. 24.💪 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 50px wide (no margins).
  25. 25.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 220px;
      justify-content: center;
    }
    Inside are 2 boxes, each 40px wide (no margins).
  26. 26.💪 Which justify-content value equal gaps, none at ends? (a) center (b) flex-end (c) space-between (d) flex-start
  27. 27.What does justify-content: center do? (a) puts boxes in the middle (b) equal gaps, none at ends (c) packs boxes at the end (d) packs boxes at the start
  28. 28.💪 How wide (px) is each gap between two boxes?
    .row {
      display: flex;
      width: 220px;
      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: 250px;
      justify-content: flex-end;
    }
    Inside are 4 boxes, each 50px wide (no margins).
  30. 30.💪 How much empty space (px) is left after the last box?
    .row {
      display: flex;
      width: 170px;
      justify-content: flex-start;
    }
    Inside are 3 boxes, each 50px wide (no margins).
  31. 31.💪 How much empty space (px) is left after the last box?
    .row {
      display: flex;
      width: 350px;
      justify-content: flex-start;
    }
    Inside are 4 boxes, each 80px wide (no margins).
  32. 32.💪 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).
  33. 33.💪 Which flexbox property sets space between boxes? (a) gap (b) display: flex (c) align-items (d) justify-content
  34. 34.💪 Which justify-content value puts boxes in the middle? (a) center (b) flex-end (c) flex-start (d) space-between
  35. 35.💪 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).
  36. 36.💪 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).
  37. 37.💪 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).
  38. 38.💪 How much empty space (px) is left after the last box?
    .row {
      display: flex;
      width: 280px;
      justify-content: flex-start;
    }
    Inside are 4 boxes, each 60px wide (no margins).
  39. 39.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 340px;
      justify-content: center;
    }
    Inside are 4 boxes, each 50px wide (no margins).
  40. 40.💪 How wide (px) is each gap between two boxes?
    .row {
      display: flex;
      width: 310px;
      justify-content: space-between;
    }
    Inside are 3 boxes, each 50px wide (no margins).

Answer key

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

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