CSS Worksheet: Practice Test

HTML and CSS lesson 20: CSS test · Set 211 · 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.✍️ What is the selector in this CSS rule?
   body {
     background-color: yellow;
     font-style: italic;
     border: 2px solid;
   } (a) body (b) italic (c) background-color (d) .box
2. 2.📱 Responsive design means a page ___. (a) has no pictures (b) never changes (c) fits every screen (d) is only for laptops
3. 3.⚖️ Which selector is the strongest? (a) a class selector (b) an element selector (c) an id selector
4. 4.Which of these is padding? (a) the line round the box (b) a solid or dotted edge (c) the text or picture (d) the gap round content
5. 5.🔍 Which is the odd one out? (a) counts down a timer (b) makes a form box (c) reacts to a button click (d) checks a quiz answer
6. 6.✍️ How many declarations (property: value pairs) are in this rule?
   .box {
     background-color: yellow;
     margin: 10px;
     color: red;
     padding: 8px;
   }
7. 7.✍️ What is the selector in this CSS rule?
   h1 {
     background-color: yellow;
     margin: 10px;
     font-size: 20px;
   } (a) h1 (b) p (c) 10px (d) background-color
8. 8.⚖️ What colour is the text of this element?
   <h2 class="red" id="end">Hi</h2>
   CSS:
   .red { color: black; }
   h2 { color: red; } (a) black (b) orange (c) green (d) red
9. 9.💪 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).
10. 10.📱 What does a media query check? (a) the battery level (b) the time of day (c) the screen width (d) the page title
11. 11.💪 Which flexbox property picks row or column? (a) display: flex (b) flex-direction (c) gap (d) align-items
12. 12.🌈 Which colour is rgb(0, 0, 255)? (a) blue (b) magenta (c) cyan (d) bright green
13. 13.🌈 Which hex code is white? (a) #00ff00 (b) #ff0000 (c) #000000 (d) #ffffff
14. 14.Which of these is the content? (a) the gap round content (b) the text or picture (c) space inside the border (d) a solid or dotted edge
15. 15.🎯 Which element does the selector span style? (a) <h1 class="red"> (b) <h2 id="hero"> (c) <p> (d) <span class="red">
16. 16.True or false: JavaScript checks a quiz answer. (a) True (b) False
17. 17.🌈 Which colour of light is strongest in rgb(210, 123, 118)? (a) blue (b) red (c) green
18. 18.🖌️ What colour are the letters?
    li {
      text-align: left;
      background-color: orange;
      font-size: 36px;
      color: white;
    } (a) red (b) white (c) orange
19. 19.🌈 Which hex code is bright green? (a) #0000ff (b) #00ff00 (c) #ffffff (d) #ff0000
20. 20.📦 How wide (px) is this box from the outer edge of its left border to the outer edge of its right border?
    .box {
      width: 280px;
      padding: 30px;
      border: 4px solid black;
      margin: 20px;
    }
21. 21.What does font-weight do? (a) makes the text bold (b) centres a heading (c) makes letters bigger (d) colours behind the text
22. 22.📱 The screen is 1100px wide. What font-size (px) does the paragraph get?
    p {
      font-size: 24px;
    }
    @media (max-width: 600px) {
      p {
        font-size: 22px;
      }
    }
23. 23.🌈 In #d70000 the red part is the hex number d7. What is it as a normal number?
24. 24.💪 Which flexbox property turns on flexbox? (a) gap (b) display: flex (c) align-items (d) justify-content
25. 25.🌈 Which colour of light is strongest in rgb(29, 199, 43)? (a) blue (b) red (c) green
26. 26.💪 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).
27. 27.🎯 How many elements on a page should have the same id? (a) 2 (b) 1 (c) any number (d) 5
28. 28.🎯 Which CSS selector matches this element?
    <h2 class="menu" id="end">Hello</h2> (a) li (b) .end (c) .note (d) .menu
29. 29.✍️ What value is given to font-weight in this rule?
    li {
      font-weight: bold;
      width: 300px;
      font-size: 20px;
    } (a) bold (b) 2px solid (c) 300px (d) font-weight
30. 30.🎯 Which element does the selector span style? (a) <span class="star"> (b) <h2 id="top"> (c) <h1 class="star"> (d) <p>
31. 31.🖌️ What colour is behind the letters?
    h1 {
      background-color: blue;
      font-size: 40px;
      color: orange;
      text-align: right;
    } (a) orange (b) red (c) blue
32. 32.🌈 Which colour of light is strongest in rgb(30, 6, 232)? (a) green (b) blue (c) red
33. 33.⚖️ Two rules with the same selector set a colour. Which one wins? (a) the first one (b) the later one (c) neither (d) the shorter one
34. 34.True or false: margin is the gap round content. (a) True (b) False
35. 35.True or false: the content is the text or picture. (a) False (b) True
36. 36.What does text-align do? (a) makes letters bigger (b) makes the text bold (c) centres a heading (d) sets the letter colour
37. 37.🧩 Which language makes a link? (a) CSS (b) JavaScript (c) HTML
38. 38.True or false: JavaScript gives the page structure. (a) True (b) False
39. 39.📱 The screen is 375px wide. What font-size (px) does the paragraph get?
    p {
      font-size: 20px;
    }
    @media (min-width: 1024px) {
      p {
        font-size: 26px;
      }
    }
40. 40.🌈 In #4f0000 the red part is the hex number 4f. What is it as a normal number?

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