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CSS Worksheet: Flexbox Basics

HTML and CSS lesson 18: Flexbox basics · Set 283 · 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-end (b) space-between (c) flex-start (d) center
  2. 2.💪 Which flexbox property picks row or column? (a) gap (b) justify-content (c) flex-direction (d) align-items
  3. 3.What does justify-content: center 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
  4. 4.💪 Which justify-content value puts boxes in the middle? (a) flex-start (b) flex-end (c) space-between (d) center
  5. 5.💪 How much empty space (px) is left after the last box?
    .row {
      display: flex;
      width: 200px;
      justify-content: flex-start;
    }
    Inside are 3 boxes, each 40px wide (no margins).
  6. 6.💪 How wide (px) is each gap between two boxes?
    .row {
      display: flex;
      width: 120px;
      justify-content: space-between;
    }
    Inside are 2 boxes, each 40px wide (no margins).
  7. 7.💪 Which justify-content value packs boxes at the start? (a) flex-start (b) center (c) space-between (d) flex-end
  8. 8.💪 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).
  9. 9.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 160px;
      justify-content: flex-end;
    }
    Inside are 2 boxes, each 50px wide (no margins).
  10. 10.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
  11. 11.💪 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).
  12. 12.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 460px;
      justify-content: center;
    }
    Inside are 4 boxes, each 100px wide (no margins).
  13. 13.💪 Which flexbox property turns on flexbox? (a) align-items (b) flex-direction (c) justify-content (d) display: flex
  14. 14.What does justify-content: flex-start 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
  15. 15.💪 Which justify-content value packs boxes at the end? (a) flex-start (b) space-between (c) center (d) flex-end
  16. 16.💪 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 60px wide (no margins).
  17. 17.💪 How much empty space (px) is left after the last box?
    .row {
      display: flex;
      width: 370px;
      justify-content: flex-start;
    }
    Inside are 4 boxes, each 80px wide (no margins).
  18. 18.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
  19. 19.💪 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).
  20. 20.💪 How much empty space (px) is left after the last box?
    .row {
      display: flex;
      width: 240px;
      justify-content: flex-start;
    }
    Inside are 4 boxes, each 50px wide (no margins).
  21. 21.💪 How wide (px) is each gap between two boxes?
    .row {
      display: flex;
      width: 190px;
      justify-content: space-between;
    }
    Inside are 3 boxes, each 50px wide (no margins).
  22. 22.💪 How wide (px) is each gap between two boxes?
    .row {
      display: flex;
      width: 210px;
      justify-content: space-between;
    }
    Inside are 2 boxes, each 100px wide (no margins).
  23. 23.💪 How wide (px) is each gap between two boxes?
    .row {
      display: flex;
      width: 240px;
      justify-content: space-between;
    }
    Inside are 3 boxes, each 60px wide (no margins).
  24. 24.💪 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).
  25. 25.💪 Which flexbox property sets space between boxes? (a) flex-direction (b) display: flex (c) gap (d) justify-content
  26. 26.💪 How wide (px) is each gap between two boxes?
    .row {
      display: flex;
      width: 190px;
      justify-content: space-between;
    }
    Inside are 4 boxes, each 40px wide (no margins).
  27. 27.💪 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).
  28. 28.💪 How much empty space (px) is left after the last box?
    .row {
      display: flex;
      width: 450px;
      justify-content: flex-start;
    }
    Inside are 4 boxes, each 100px wide (no margins).
  29. 29.💪 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).
  30. 30.💪 Which flexbox property spaces boxes along a row? (a) display: flex (b) flex-direction (c) align-items (d) justify-content
  31. 31.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 380px;
      justify-content: center;
    }
    Inside are 4 boxes, each 60px wide (no margins).
  32. 32.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 170px;
      justify-content: flex-end;
    }
    Inside are 3 boxes, each 40px wide (no margins).
  33. 33.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 210px;
      justify-content: center;
    }
    Inside are 3 boxes, each 50px wide (no margins).
  34. 34.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 440px;
      justify-content: center;
    }
    Inside are 4 boxes, each 80px wide (no margins).
  35. 35.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 160px;
      justify-content: flex-end;
    }
    Inside are 3 boxes, each 50px wide (no margins).
  36. 36.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 450px;
      justify-content: flex-end;
    }
    Inside are 4 boxes, each 100px wide (no margins).
  37. 37.💪 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).
  38. 38.💪 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).
  39. 39.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 320px;
      justify-content: center;
    }
    Inside are 3 boxes, each 100px wide (no margins).
  40. 40.💪 Which flexbox property lines boxes up across? (a) gap (b) align-items (c) flex-direction (d) display: flex

Answer key

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

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