CSS Worksheet: Flexbox Basics

HTML and CSS lesson 18: Flexbox basics · Set 97 · 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.💪 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).
2. 2.What does justify-content: space-between do? (a) equal gaps, none at ends (b) puts boxes in the middle (c) packs boxes at the start (d) packs boxes at the end
3. 3.What does justify-content: center 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
4. 4.💪 Which justify-content value packs boxes at the end? (a) center (b) flex-start (c) space-between (d) flex-end
5. 5.💪 Which flexbox property sets space between boxes? (a) justify-content (b) gap (c) flex-direction (d) align-items
6. 6.💪 How much empty space (px) is left after the last box?
   .row {
     display: flex;
     width: 210px;
     justify-content: flex-start;
   }
   Inside are 4 boxes, each 40px wide (no margins).
7. 7.💪 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).
8. 8.💪 How much empty space (px) is before the first box?
   .row {
     display: flex;
     width: 280px;
     justify-content: center;
   }
   Inside are 4 boxes, each 60px wide (no margins).
9. 9.💪 How much empty space (px) is left after the last box?
   .row {
     display: flex;
     width: 440px;
     justify-content: flex-start;
   }
   Inside are 4 boxes, each 100px wide (no margins).
10. 10.💪 Which flexbox property turns on flexbox? (a) display: flex (b) flex-direction (c) justify-content (d) align-items
11. 11.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 180px;
      justify-content: center;
    }
    Inside are 4 boxes, each 40px wide (no margins).
12. 12.💪 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).
13. 13.💪 How wide (px) is each gap between two boxes?
    .row {
      display: flex;
      width: 340px;
      justify-content: space-between;
    }
    Inside are 4 boxes, each 40px wide (no margins).
14. 14.💪 How wide (px) is each gap between two boxes?
    .row {
      display: flex;
      width: 250px;
      justify-content: space-between;
    }
    Inside are 3 boxes, each 50px wide (no margins).
15. 15.💪 How much empty space (px) is left after the last box?
    .row {
      display: flex;
      width: 370px;
      justify-content: flex-start;
    }
    Inside are 3 boxes, each 100px wide (no margins).
16. 16.What does justify-content: flex-start do? (a) packs boxes at the end (b) equal gaps, none at ends (c) puts boxes in the middle (d) packs boxes at the start
17. 17.💪 Which flexbox property lines boxes up across? (a) gap (b) align-items (c) display: flex (d) flex-direction
18. 18.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 110px;
      justify-content: flex-end;
    }
    Inside are 2 boxes, each 40px wide (no margins).
19. 19.💪 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).
20. 20.💪 How much empty space (px) is left after the last box?
    .row {
      display: flex;
      width: 390px;
      justify-content: flex-start;
    }
    Inside are 4 boxes, each 80px wide (no margins).
21. 21.💪 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 80px wide (no margins).
22. 22.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 460px;
      justify-content: center;
    }
    Inside are 4 boxes, each 80px wide (no margins).
23. 23.💪 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).
24. 24.💪 Which justify-content value packs boxes at the start? (a) center (b) space-between (c) flex-end (d) flex-start
25. 25.💪 How much empty space (px) is left after the last box?
    .row {
      display: flex;
      width: 410px;
      justify-content: flex-start;
    }
    Inside are 4 boxes, each 100px wide (no margins).
26. 26.💪 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).
27. 27.💪 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).
28. 28.💪 Which flexbox property spaces boxes along a row? (a) gap (b) display: flex (c) justify-content (d) flex-direction
29. 29.💪 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).
30. 30.💪 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 40px wide (no margins).
31. 31.💪 How much empty space (px) is left after the last box?
    .row {
      display: flex;
      width: 220px;
      justify-content: flex-start;
    }
    Inside are 4 boxes, each 40px wide (no margins).
32. 32.💪 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).
33. 33.💪 Which flexbox property picks row or column? (a) flex-direction (b) justify-content (c) display: flex (d) gap
34. 34.💪 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).
35. 35.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 360px;
      justify-content: center;
    }
    Inside are 2 boxes, each 100px wide (no margins).
36. 36.💪 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).
37. 37.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 220px;
      justify-content: center;
    }
    Inside are 2 boxes, each 100px wide (no margins).
38. 38.💪 Which justify-content value puts boxes in the middle? (a) space-between (b) center (c) flex-end (d) flex-start
39. 39.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 190px;
      justify-content: flex-end;
    }
    Inside are 3 boxes, each 60px wide (no margins).
40. 40.What does justify-content: flex-end 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

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