CSS Worksheet: Practice Test

HTML and CSS lesson 20: CSS test · Set 29 · 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 selector is the strongest? (a) an id selector (b) a class selector (c) an element selector
2. 2.🖌️ How big is the text, in px?
   h1 {
     color: yellow;
     font-size: 24px;
     text-align: center;
     background-color: black;
   }
3. 3.📦 How wide (px) is this box from the outer edge of its left border to the outer edge of its right border?
   .box {
     width: 140px;
     padding: 15px;
     border: 1px solid black;
     margin: 20px;
   }
4. 4.📱 The screen is 1100px wide. Does the rule inside @media apply?
   p {
     font-size: 12px;
   }
   @media (max-width: 1024px) {
     p {
       font-size: 10px;
     }
   } (a) Yes (b) No
5. 5.📱 The screen is 1366px wide. What font-size (px) does the paragraph get?
   p {
     font-size: 20px;
   }
   @media (max-width: 1024px) {
     p {
       font-size: 14px;
     }
   }
6. 6.True or false: JavaScript makes a link. (a) False (b) True
7. 7.✍️ Which sign ends each CSS declaration? (a) ; (b) . (c) : (d) ,
8. 8.🎯 Which sign starts an id selector? (a) & (b) # (c) @ (d) .
9. 9.🖌️ How big is the text, in px?
   p {
     background-color: red;
     color: orange;
     font-size: 36px;
     text-align: left;
   }
10. 10.Which of these does JavaScript do? (a) sets colours and fonts (b) reacts to a button click (c) changes the text size (d) gives the page structure
11. 11.✍️ What value is given to width in this rule?
    #top {
      width: 300px;
      padding: 8px;
      font-style: italic;
    } (a) width (b) red (c) 300px (d) italic
12. 12.💪 Which flexbox property lines boxes up across? (a) gap (b) flex-direction (c) align-items (d) justify-content
13. 13.⚖️ What colour is the text of this element?
    <h2 class="box" id="top">Hi</h2>
    CSS:
    #top { color: black; }
    #top { color: red; } (a) blue (b) yellow (c) black (d) red
14. 14.✍️ What is the selector in this CSS rule?
    h2 {
      text-align: center;
      font-size: 20px;
      width: 300px;
    } (a) 20px (b) h1 (c) h2 (d) text-align
15. 15.📱 What does a media query check? (a) the time of day (b) the page title (c) the battery level (d) the screen width
16. 16.📱 The screen is 540px wide. Does the rule inside @media apply?
    p {
      font-size: 20px;
    }
    @media (min-width: 1024px) {
      p {
        font-size: 28px;
      }
    } (a) Yes (b) No
17. 17.🎯 Which CSS selector matches this element?
    <h1 class="big" id="logo">Hello</h1> (a) #end (b) #big (c) h1 (d) h2
18. 18.🖌️ What colour are the letters?
    h1 {
      background-color: green;
      color: blue;
      text-align: left;
      font-size: 40px;
    } (a) green (b) yellow (c) blue
19. 19.🖌️ What colour are the letters?
    li {
      background-color: purple;
      text-align: left;
      font-size: 28px;
      color: blue;
    } (a) purple (b) black (c) blue
20. 20.📦 In the box model, which part is the gap round content? (a) margin (b) border (c) padding (d) content
21. 21.✍️ What is the selector in this CSS rule?
    li {
      color: red;
      border: 2px solid;
    } (a) li (b) color (c) 2px solid (d) body
22. 22.🌈 Which colour of light is strongest in rgb(81, 36, 158)? (a) green (b) blue (c) red
23. 23.🎯 What kind of selector is #logo? (a) an element selector (b) a class selector (c) an id selector
24. 24.📦 How wide (px) is this box from the outer edge of its left border to the outer edge of its right border?
    .box {
      width: 200px;
      padding: 15px;
      border: 4px solid black;
      margin: 5px;
    }
25. 25.🔍 Which is the odd one out? (a) makes a form box (b) sets colours and fonts (c) makes headings and lists (d) gives the page structure
26. 26.Which of these does CSS do? (a) counts down a timer (b) makes headings and lists (c) puts a picture on a page (d) sets colours and fonts
27. 27.✍️ How does a CSS comment start? (a) # (b) /* (c) // (d) <!--
28. 28.📱 The screen is 820px wide. Does the rule inside @media apply?
    p {
      font-size: 24px;
    }
    @media (max-width: 480px) {
      p {
        font-size: 20px;
      }
    } (a) No (b) Yes
29. 29.✍️ In color: blue; which part is the value? (a) blue (b) ; (c) : (d) color
30. 30.🎨 Which tag holds CSS inside the head? (a) <css> (b) <style> (c) <body> (d) <script>
31. 31.🎯 Which CSS selector matches this element?
    <h2 class="star" id="main">Hello</h2> (a) li (b) #star (c) #main (d) .menu
32. 32.💪 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).
33. 33.🧩 Which language puts a picture on a page? (a) JavaScript (b) HTML (c) CSS
34. 34.✍️ How many declarations (property: value pairs) are in this rule?
    .box {
      padding: 8px;
      text-align: center;
      width: 300px;
    }
35. 35.🧩 Which language gives the page structure? (a) JavaScript (b) CSS (c) HTML
36. 36.📱 Responsive design means a page ___. (a) fits every screen (b) is only for laptops (c) never changes (d) has no pictures
37. 37.🖌️ Which CSS property colours behind the text? (a) font-size (b) text-align (c) font-weight (d) background-color
38. 38.🖌️ Which CSS property makes letters bigger? (a) color (b) text-align (c) font-family (d) font-size
39. 39.✍️ What value is given to padding in this rule?
    h2 {
      color: red;
      margin: 10px;
      padding: 8px;
      font-style: italic;
    } (a) bold (b) 8px (c) 2px solid (d) padding
40. 40.📦 How much space top to bottom (px) does this box take in all, margin included?
    .box {
      height: 60px;
      padding: 5px;
      border: 3px solid black;
      margin: 10px;
    }

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