CSS Worksheet: Practice Test

HTML and CSS lesson 20: CSS test · Set 17 · 40 questions

Code tip (Rule, then maths): Find the topic: syntax, selectors, properties, colours, box model, cascade, flexbox or media queries. Decide which rule or property applies to the element. For sizes, write the sum down: both sides for the box model, free space for flexbox.

1. 1.🎯 Which CSS selector matches this element?
   <span class="note" id="intro">Hello</span> (a) span (b) .intro (c) #main (d) p
2. 2.✍️ Which sign goes between a property and its value? (a) - (b) = (c) : (d) ;
3. 3.📦 How much space top to bottom (px) does this box take in all, margin included?
   .box {
     height: 110px;
     padding: 30px;
     border: 3px solid black;
     margin: 10px;
   }
4. 4.True or false: .big is an element selector. (a) True (b) False
5. 5.🌈 Hex digits go 0 to 9, then A to which letter? (a) Z (b) G (c) F (d) J
6. 6.Which of these does JavaScript do? (a) reacts to a button click (b) changes the text size (c) adds space around boxes (d) makes headings and lists
7. 7.🔍 Which is the odd one out? (a) gives the page structure (b) lays out the page (c) sets colours and fonts (d) adds space around boxes
8. 8.🖌️ Which CSS property makes letters bigger? (a) text-align (b) font-family (c) font-size (d) font-weight
9. 9.Which of these does CSS do? (a) puts a picture on a page (b) makes a link (c) gives the page structure (d) rounds box corners
10. 10.What does background-color do? (a) colours behind the text (b) sets the letter colour (c) picks the font style (d) centres a heading
11. 11.✍️ How many declarations (property: value pairs) are in this rule?
    li {
      text-align: center;
    }
12. 12.True or false: JavaScript counts down a timer. (a) False (b) True
13. 13.📦 In the box model, which part is the gap round content? (a) content (b) margin (c) padding (d) border
14. 14.True or false: HTML shows a pop-up message. (a) False (b) True
15. 15.🎯 What kind of selector is #hero? (a) an id selector (b) an element selector (c) a class selector
16. 16.🎨 Which tag connects an outside CSS file? (a) <link> (b) <img> (c) <css> (d) <a>
17. 17.✍️ How many declarations (property: value pairs) are in this rule?
    h2 {
      border: 2px solid;
      color: red;
      text-align: center;
      background-color: yellow;
    }
18. 18.⚖️ What colour is the text of this element?
    <h1 class="box" id="end">Hi</h1>
    CSS:
    #end { color: white; }
    #end { color: black; } (a) black (b) white (c) purple (d) blue
19. 19.🖌️ Where does the text sit on its line?
    h2 {
      font-size: 28px;
      text-align: right;
      color: black;
      background-color: purple;
    } (a) on the right (b) on the left (c) in the middle
20. 20.✍️ What is the selector in this CSS rule?
    h2 {
      font-size: 20px;
      margin: 10px;
    } (a) h2 (b) h1 (c) font-size (d) 10px
21. 21.⚖️ Which selector is the strongest? (a) a class selector (b) an element selector (c) an id selector
22. 22.🌈 Which hex code is cyan? (a) #ff00ff (b) #0000ff (c) #ffffff (d) #00ffff
23. 23.📱 The screen is 375px wide. What font-size (px) does the paragraph get?
    p {
      font-size: 12px;
    }
    @media (min-width: 1024px) {
      p {
        font-size: 18px;
      }
    }
24. 24.📦 How much space across (px) does this box take in all, margin included?
    .box {
      width: 190px;
      padding: 10px;
      border: 3px solid black;
      margin: 20px;
    }
25. 25.⚖️ What colour is the text of this element?
    <h1 class="menu" id="end">Hi</h1>
    CSS:
    .menu { color: white; }
    #end { color: orange; }
    h1 { color: black; } (a) orange (b) white (c) black (d) red
26. 26.🧩 Which language checks a quiz answer? (a) CSS (b) HTML (c) JavaScript
27. 27.What does font-family do? (a) picks the font style (b) makes letters bigger (c) centres a heading (d) makes the text bold
28. 28.What does justify-content: space-between do? (a) puts boxes in the middle (b) packs boxes at the end (c) equal gaps, none at ends (d) packs boxes at the start
29. 29.📦 How wide (px) is this box from the outer edge of its left border to the outer edge of its right border?
    .box {
      width: 130px;
      padding: 25px;
      border: 1px solid black;
      margin: 0px;
    }
30. 30.🌈 In #00dc00 the green part is the hex number dc. What is it as a normal number?
31. 31.🧩 Which language lays out the page? (a) HTML (b) JavaScript (c) CSS
32. 32.🎯 What kind of selector is p? (a) an id selector (b) a class selector (c) an element selector
33. 33.🎯 Which CSS selector matches this element?
    <span class="big" id="end">Hello</span> (a) #big (b) span (c) .red (d) #hero
34. 34.What does justify-content: flex-end 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
35. 35.⚖️ What colour is the text of this element?
    <h2 class="big" id="main">Hi</h2>
    CSS:
    .big { color: black; }
    #main { color: green; }
    h2 { color: purple; } (a) purple (b) green (c) white (d) black
36. 36.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 130px;
      justify-content: flex-end;
    }
    Inside are 2 boxes, each 60px wide (no margins).
37. 37.🌈 In #rrggbb, which colour do the last two digits give? (a) green (b) red (c) white (d) blue
38. 38.💪 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).
39. 39.True or false: .card is a class selector. (a) True (b) False
40. 40.True or false: CSS checks a quiz answer. (a) True (b) False

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