← Flexbox basics lesson New set →

CSS Worksheet: Flexbox Basics

HTML and CSS lesson 18: Flexbox basics · Set 831 · 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 flexbox property picks row or column? (a) flex-direction (b) gap (c) display: flex (d) justify-content
  2. 2.What does justify-content: flex-start do? (a) packs boxes at the end (b) puts boxes in the middle (c) equal gaps, none at ends (d) packs boxes at the start
  3. 3.What does justify-content: center 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
  4. 4.💪 How wide (px) is each gap between two boxes?
    .row {
      display: flex;
      width: 400px;
      justify-content: space-between;
    }
    Inside are 3 boxes, each 80px wide (no margins).
  5. 5.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 130px;
      justify-content: flex-end;
    }
    Inside are 2 boxes, each 50px wide (no margins).
  6. 6.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 340px;
      justify-content: center;
    }
    Inside are 4 boxes, each 80px wide (no margins).
  7. 7.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 360px;
      justify-content: center;
    }
    Inside are 4 boxes, each 80px wide (no margins).
  8. 8.💪 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 80px wide (no margins).
  9. 9.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
  10. 10.💪 Which justify-content value puts boxes in the middle? (a) space-between (b) center (c) flex-end (d) flex-start
  11. 11.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 470px;
      justify-content: flex-end;
    }
    Inside are 4 boxes, each 100px wide (no margins).
  12. 12.💪 Which justify-content value packs boxes at the start? (a) flex-end (b) flex-start (c) space-between (d) center
  13. 13.💪 Which justify-content value equal gaps, none at ends? (a) flex-start (b) space-between (c) flex-end (d) center
  14. 14.💪 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).
  15. 15.💪 How wide (px) is each gap between two boxes?
    .row {
      display: flex;
      width: 420px;
      justify-content: space-between;
    }
    Inside are 3 boxes, each 100px wide (no margins).
  16. 16.💪 How wide (px) is each gap between two boxes?
    .row {
      display: flex;
      width: 210px;
      justify-content: space-between;
    }
    Inside are 3 boxes, each 50px wide (no margins).
  17. 17.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 360px;
      justify-content: center;
    }
    Inside are 3 boxes, each 80px wide (no margins).
  18. 18.💪 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).
  19. 19.💪 How much empty space (px) is left after the last box?
    .row {
      display: flex;
      width: 170px;
      justify-content: flex-start;
    }
    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: 400px;
      justify-content: flex-end;
    }
    Inside are 4 boxes, each 80px wide (no margins).
  21. 21.💪 Which flexbox property spaces boxes along a row? (a) display: flex (b) align-items (c) justify-content (d) flex-direction
  22. 22.💪 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).
  23. 23.💪 How much empty space (px) is left after the last box?
    .row {
      display: flex;
      width: 220px;
      justify-content: flex-start;
    }
    Inside are 3 boxes, each 60px wide (no margins).
  24. 24.💪 Which flexbox property turns on flexbox? (a) display: flex (b) align-items (c) flex-direction (d) justify-content
  25. 25.💪 How much empty space (px) is left after the last box?
    .row {
      display: flex;
      width: 310px;
      justify-content: flex-start;
    }
    Inside are 4 boxes, each 60px wide (no margins).
  26. 26.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 260px;
      justify-content: flex-end;
    }
    Inside are 4 boxes, each 60px wide (no margins).
  27. 27.💪 How wide (px) is each gap between two boxes?
    .row {
      display: flex;
      width: 320px;
      justify-content: space-between;
    }
    Inside are 3 boxes, each 80px wide (no margins).
  28. 28.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 140px;
      justify-content: center;
    }
    Inside are 2 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.💪 How much empty space (px) is left after the last box?
    .row {
      display: flex;
      width: 210px;
      justify-content: flex-start;
    }
    Inside are 2 boxes, each 100px wide (no margins).
  31. 31.💪 How wide (px) is each gap between two boxes?
    .row {
      display: flex;
      width: 260px;
      justify-content: space-between;
    }
    Inside are 3 boxes, each 40px wide (no margins).
  32. 32.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 190px;
      justify-content: flex-end;
    }
    Inside are 3 boxes, each 40px wide (no margins).
  33. 33.💪 How much empty space (px) is left after the last box?
    .row {
      display: flex;
      width: 110px;
      justify-content: flex-start;
    }
    Inside are 2 boxes, each 40px wide (no margins).
  34. 34.💪 How wide (px) is each gap between two boxes?
    .row {
      display: flex;
      width: 150px;
      justify-content: space-between;
    }
    Inside are 2 boxes, each 50px wide (no margins).
  35. 35.💪 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 50px wide (no margins).
  36. 36.💪 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).
  37. 37.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 160px;
      justify-content: center;
    }
    Inside are 2 boxes, each 60px wide (no margins).
  38. 38.💪 Which justify-content value packs boxes at the end? (a) flex-end (b) flex-start (c) space-between (d) center
  39. 39.💪 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 40px wide (no margins).
  40. 40.💪 How much empty space (px) is left after the last box?
    .row {
      display: flex;
      width: 250px;
      justify-content: flex-start;
    }
    Inside are 3 boxes, each 60px wide (no margins).

Answer key

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

Free html and css lessons, practice and worksheets at talentjr.in/html-css-for-kids