CSS Worksheet: Flexbox Basics

HTML and CSS lesson 18: Flexbox basics · Set 504 · 40 questions

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.

1. 1.💪 Which justify-content value packs boxes at the start? (a) space-between (b) flex-start (c) center (d) flex-end
2. 2.What does justify-content: space-between 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
3. 3.💪 How much empty space (px) is before the first box?
   .row {
     display: flex;
     width: 100px;
     justify-content: center;
   }
   Inside are 2 boxes, each 40px wide (no margins).
4. 4.💪 Which flexbox property lines boxes up across? (a) justify-content (b) flex-direction (c) gap (d) align-items
5. 5.💪 Which flexbox property spaces boxes along a row? (a) justify-content (b) display: flex (c) flex-direction (d) align-items
6. 6.💪 Which justify-content value packs boxes at the end? (a) center (b) space-between (c) flex-end (d) flex-start
7. 7.💪 Which flexbox property picks row or column? (a) justify-content (b) gap (c) flex-direction (d) align-items
8. 8.💪 Which justify-content value puts boxes in the middle? (a) space-between (b) flex-start (c) flex-end (d) center
9. 9.💪 How much empty space (px) is left after the last box?
   .row {
     display: flex;
     width: 220px;
     justify-content: flex-start;
   }
   Inside are 2 boxes, each 80px wide (no margins).
10. 10.💪 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).
11. 11.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 240px;
      justify-content: center;
    }
    Inside are 2 boxes, each 50px wide (no margins).
12. 12.What does justify-content: flex-start do? (a) packs boxes at the end (b) puts boxes in the middle (c) packs boxes at the start (d) equal gaps, none at ends
13. 13.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 280px;
      justify-content: center;
    }
    Inside are 4 boxes, each 50px wide (no margins).
14. 14.💪 Which flexbox property sets space between boxes? (a) gap (b) display: flex (c) align-items (d) flex-direction
15. 15.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
16. 16.💪 How wide (px) is each gap between two boxes?
    .row {
      display: flex;
      width: 290px;
      justify-content: space-between;
    }
    Inside are 3 boxes, each 50px wide (no margins).
17. 17.💪 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).
18. 18.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 320px;
      justify-content: center;
    }
    Inside are 3 boxes, each 80px wide (no margins).
19. 19.What does justify-content: flex-end do? (a) packs boxes at the start (b) puts boxes in the middle (c) equal gaps, none at ends (d) packs boxes at the end
20. 20.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 260px;
      justify-content: flex-end;
    }
    Inside are 3 boxes, each 80px wide (no margins).
21. 21.💪 Which flexbox property turns on flexbox? (a) align-items (b) display: flex (c) flex-direction (d) justify-content
22. 22.💪 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).
23. 23.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 200px;
      justify-content: flex-end;
    }
    Inside are 4 boxes, each 40px wide (no margins).
24. 24.💪 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).
25. 25.💪 How much empty space (px) is left after the last box?
    .row {
      display: flex;
      width: 180px;
      justify-content: flex-start;
    }
    Inside are 4 boxes, each 40px wide (no margins).
26. 26.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 250px;
      justify-content: flex-end;
    }
    Inside are 3 boxes, each 60px wide (no margins).
27. 27.💪 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 60px wide (no margins).
28. 28.💪 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).
29. 29.💪 How wide (px) is each gap between two boxes?
    .row {
      display: flex;
      width: 270px;
      justify-content: space-between;
    }
    Inside are 2 boxes, each 100px wide (no margins).
30. 30.💪 Which justify-content value equal gaps, none at ends? (a) flex-end (b) center (c) space-between (d) flex-start
31. 31.💪 How wide (px) is each gap between two boxes?
    .row {
      display: flex;
      width: 360px;
      justify-content: space-between;
    }
    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: 250px;
      justify-content: flex-end;
    }
    Inside are 3 boxes, each 80px wide (no margins).
33. 33.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 120px;
      justify-content: center;
    }
    Inside are 2 boxes, each 40px wide (no margins).
34. 34.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 180px;
      justify-content: center;
    }
    Inside are 2 boxes, each 60px wide (no margins).
35. 35.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 140px;
      justify-content: flex-end;
    }
    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 40px wide (no margins).
37. 37.💪 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).
38. 38.💪 How wide (px) is each gap between two boxes?
    .row {
      display: flex;
      width: 170px;
      justify-content: space-between;
    }
    Inside are 2 boxes, each 60px wide (no margins).
39. 39.💪 How wide (px) is each gap between two boxes?
    .row {
      display: flex;
      width: 380px;
      justify-content: space-between;
    }
    Inside are 4 boxes, each 80px wide (no margins).
40. 40.💪 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).

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