CSS Worksheet: Practice Test

HTML and CSS lesson 20: CSS test · Set 97 · 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 does background-color do? (a) makes letters bigger (b) colours behind the text (c) sets the letter colour (d) makes the text bold
2. 2.🔍 Which is the odd one out? (a) checks a quiz answer (b) counts down a timer (c) makes headings and lists (d) changes the page live
3. 3.🎨 A CSS file usually ends with which extension? (a) .png (b) .js (c) .html (d) .css
4. 4.📱 The screen is 414px wide. What font-size (px) does the paragraph get?
   p {
     font-size: 24px;
   }
   @media (max-width: 1024px) {
     p {
       font-size: 20px;
     }
   }
5. 5.What does justify-content: center do? (a) puts boxes in the middle (b) packs boxes at the start (c) packs boxes at the end (d) equal gaps, none at ends
6. 6.📦 How wide (px) is this box from the outer edge of its left border to the outer edge of its right border?
   .box {
     width: 150px;
     padding: 25px;
     border: 4px solid black;
     margin: 10px;
   }
7. 7.⚖️ What colour is the text of this element?
   <p class="big" id="logo">Hi</p>
   CSS:
   .big { color: yellow; }
   #logo { color: black; } (a) green (b) black (c) yellow (d) blue
8. 8.✍️ Which property is set to red in this rule?
   li {
     text-align: center;
     color: red;
     margin: 10px;
     width: 300px;
   } (a) color (b) font-size (c) red (d) text-align
9. 9.📦 How much space top to bottom (px) does this box take in all, margin included?
   .box {
     height: 40px;
     padding: 20px;
     border: 5px solid black;
     margin: 15px;
   }
10. 10.📱 min-width: 800px applies when the screen is ___. (a) turned off (b) 800px or narrower (c) 800px or wider (d) exactly 100px
11. 11.🎯 Which element does the selector div style? (a) <p class="star"> (b) <span> (c) <h1 id="intro"> (d) <div class="star">
12. 12.⚖️ What colour is the text of this element?
    <h2 class="note" id="logo">Hi</h2>
    CSS:
    h2 { color: white; }
    #logo { color: red; }
    .note { color: purple; } (a) green (b) white (c) purple (d) red
13. 13.💪 Which justify-content value equal gaps, none at ends? (a) space-between (b) flex-end (c) center (d) flex-start
14. 14.Which of these does HTML do? (a) rounds box corners (b) counts down a timer (c) sets colours and fonts (d) makes headings and lists
15. 15.Which of these does CSS do? (a) makes headings and lists (b) reacts to a button click (c) makes a form box (d) sets colours and fonts
16. 16.💪 Which justify-content value puts boxes in the middle? (a) space-between (b) flex-start (c) center (d) flex-end
17. 17.📱 The screen is 700px wide. What font-size (px) does the paragraph get?
    p {
      font-size: 16px;
    }
    @media (max-width: 1024px) {
      p {
        font-size: 10px;
      }
    }
18. 18.🧩 Which language reacts to a button click? (a) HTML (b) CSS (c) JavaScript
19. 19.📦 How much space across (px) does this box take in all, margin included?
    .box {
      width: 80px;
      padding: 10px;
      border: 5px solid black;
      margin: 5px;
    }
20. 20.Which of these does HTML do? (a) sets colours and fonts (b) puts a picture on a page (c) checks a quiz answer (d) counts down a timer
21. 21.🧩 Which language adds space around boxes? (a) CSS (b) HTML (c) JavaScript
22. 22.🖌️ Where does the text sit on its line?
    h1 {
      color: black;
      text-align: left;
      background-color: purple;
      font-size: 32px;
    } (a) on the left (b) in the middle (c) on the right
23. 23.⚖️ What colour is the text of this element?
    <p class="star" id="top">Hi</p>
    CSS:
    p { color: white; }
    #top { color: green; } (a) green (b) orange (c) purple (d) white
24. 24.✍️ How does a CSS comment start? (a) <!-- (b) /* (c) # (d) //
25. 25.What does justify-content: flex-start do? (a) packs boxes at the start (b) packs boxes at the end (c) puts boxes in the middle (d) equal gaps, none at ends
26. 26.✍️ What value is given to margin in this rule?
    li {
      text-align: center;
      color: red;
      margin: 10px;
      border: 2px solid;
    } (a) 8px (b) bold (c) 10px (d) margin
27. 27.✍️ Which property is set to 10px in this rule?
    h1 {
      background-color: yellow;
      width: 300px;
      font-size: 20px;
      margin: 10px;
    } (a) padding (b) margin (c) 10px (d) font-weight
28. 28.📱 The screen is 820px wide. What font-size (px) does the paragraph get?
    p {
      font-size: 16px;
    }
    @media (min-width: 600px) {
      p {
        font-size: 18px;
      }
    }
29. 29.🎨 What does CSS stand for? (a) Cascading Style Sheets (b) Colourful Site Styles (c) Computer Style Sheets (d) Creative Sheet System
30. 30.✍️ How many declarations (property: value pairs) are in this rule?
    h2 {
      font-weight: bold;
    }
31. 31.✍️ CSS declarations go inside which brackets? (a) ( ) (b) [ ] (c) < > (d) { }
32. 32.🔍 Which is the odd one out? (a) lays out the page (b) makes a link (c) makes a form box (d) makes headings and lists
33. 33.💪 How much empty space (px) is left after the last box?
    .row {
      display: flex;
      width: 290px;
      justify-content: flex-start;
    }
    Inside are 3 boxes, each 80px wide (no margins).
34. 34.💪 Which flexbox property turns on flexbox? (a) display: flex (b) align-items (c) flex-direction (d) justify-content
35. 35.🌈 Which colour of light is strongest in rgb(7, 174, 88)? (a) green (b) red (c) blue
36. 36.🎨 Which tag holds CSS inside the head? (a) <body> (b) <script> (c) <css> (d) <style>
37. 37.📱 The screen is 820px wide. Does the rule inside @media apply?
    p {
      font-size: 24px;
    }
    @media (max-width: 480px) {
      p {
        font-size: 20px;
      }
    } (a) Yes (b) No
38. 38.🌈 Which colour is rgb(255, 0, 0)? (a) red (b) blue (c) white (d) cyan
39. 39.✍️ Which property is set to 2px solid in this rule?
    #top {
      border: 2px solid;
      font-weight: bold;
    } (a) 2px solid (b) width (c) border (d) font-style
40. 40.📦 How much space top to bottom (px) does this box take in all, margin included?
    .box {
      height: 150px;
      padding: 30px;
      border: 1px solid black;
      margin: 0px;
    }

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