CSS Worksheet: Practice Test

HTML and CSS lesson 20: CSS test · Set 658 · 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.📱 The screen is 320px wide. What font-size (px) does the paragraph get?
   p {
     font-size: 20px;
   }
   @media (min-width: 480px) {
     p {
       font-size: 28px;
     }
   }
2. 2.📦 How much space across (px) does this box take in all, margin included?
   .box {
     width: 210px;
     padding: 25px;
     border: 2px solid black;
     margin: 10px;
   }
3. 3.🌈 Which colour of light is strongest in rgb(62, 61, 255)? (a) green (b) red (c) blue
4. 4.✍️ How many declarations (property: value pairs) are in this rule?
   li {
     font-style: italic;
     color: red;
     padding: 8px;
   }
5. 5.💪 Which flexbox property lines boxes up across? (a) display: flex (b) flex-direction (c) gap (d) align-items
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: 1px solid black;
     margin: 15px;
   }
7. 7.🧩 Which language checks a quiz answer? (a) JavaScript (b) CSS (c) HTML
8. 8.True or false: #hero is an id selector. (a) False (b) True
9. 9.✍️ How does a CSS comment start? (a) # (b) // (c) /* (d) <!--
10. 10.📱 The screen is 414px wide. Does the rule inside @media apply?
    p {
      font-size: 12px;
    }
    @media (min-width: 1024px) {
      p {
        font-size: 14px;
      }
    } (a) Yes (b) No
11. 11.✍️ Which property is set to red in this rule?
    h2 {
      text-align: center;
      color: red;
      font-style: italic;
      margin: 10px;
    } (a) red (b) font-size (c) color (d) text-align
12. 12.💪 How wide (px) is each gap between two boxes?
    .row {
      display: flex;
      width: 280px;
      justify-content: space-between;
    }
    Inside are 4 boxes, each 40px wide (no margins).
13. 13.🖌️ What colour is behind the letters?
    p {
      font-size: 40px;
      text-align: left;
      color: yellow;
      background-color: blue;
    } (a) blue (b) red (c) yellow
14. 14.✍️ Which property is set to 20px in this rule?
    .note {
      font-size: 20px;
      font-style: italic;
    } (a) text-align (b) background-color (c) 20px (d) font-size
15. 15.⚖️ What colour is the text of this element?
    <h2 class="note" id="top">Hi</h2>
    CSS:
    #top { color: yellow; }
    .note { color: purple; }
    h2 { color: green; } (a) purple (b) yellow (c) green (d) blue
16. 16.🖌️ Which CSS property colours behind the text? (a) background-color (b) font-weight (c) text-align (d) font-size
17. 17.🎯 Which CSS selector matches this element?
    <p class="star" id="hero">Hello</p> (a) #top (b) .menu (c) .star (d) .hero
18. 18.What does justify-content: flex-start do? (a) packs boxes at the end (b) puts boxes in the middle (c) equal gaps, none at ends (d) packs boxes at the start
19. 19.✍️ What is the selector in this CSS rule?
    .note {
      font-style: italic;
      font-size: 20px;
      background-color: yellow;
      text-align: center;
    } (a) font-style (b) #top (c) 20px (d) .note
20. 20.Which of these is margin? (a) a solid or dotted edge (b) the gap round content (c) space inside the border (d) space outside the border
21. 21.📱 min-width: 800px applies when the screen is ___. (a) turned off (b) 800px or wider (c) 800px or narrower (d) exactly 100px
22. 22.⚖️ What colour is the text of this element?
    <h2 class="box" id="main">Hi</h2>
    CSS:
    h2 { color: blue; }
    #main { color: green; } (a) white (b) blue (c) green (d) purple
23. 23.📱 The screen is 320px wide. Does the rule inside @media apply?
    p {
      font-size: 24px;
    }
    @media (max-width: 480px) {
      p {
        font-size: 22px;
      }
    } (a) Yes (b) No
24. 24.🧩 Which language makes headings and lists? (a) CSS (b) JavaScript (c) HTML
25. 25.🖌️ What colour are the letters?
    li {
      text-align: left;
      background-color: black;
      font-size: 20px;
      color: red;
    } (a) blue (b) black (c) red
26. 26.True or false: padding is the gap round content. (a) False (b) True
27. 27.🎯 Which element does the selector #main style? (a) <p id="logo"> (b) <p class="main"> (c) <h1 class="box"> (d) <p id="main">
28. 28.🖌️ Where does the text sit on its line?
    h2 {
      color: yellow;
      background-color: blue;
      text-align: center;
      font-size: 16px;
    } (a) on the right (b) on the left (c) in the middle
29. 29.🔍 Which is the odd one out? (a) lays out the page (b) reacts to a button click (c) changes the page live (d) counts down a timer
30. 30.✍️ Which sign ends each CSS declaration? (a) : (b) , (c) ; (d) .
31. 31.🧩 Which language rounds box corners? (a) CSS (b) HTML (c) JavaScript
32. 32.🎯 Which element does the selector .menu style? (a) <h2 class="big"> (b) <h1 id="menu"> (c) <h1 class="menu"> (d) <h1 class="note">
33. 33.✍️ What is the selector in this CSS rule?
    .note {
      margin: 10px;
      width: 300px;
      background-color: yellow;
    } (a) 300px (b) margin (c) #top (d) .note
34. 34.📱 The screen is 375px wide. Does the rule inside @media apply?
    p {
      font-size: 20px;
    }
    @media (max-width: 600px) {
      p {
        font-size: 14px;
      }
    } (a) No (b) Yes
35. 35.⚖️ Which selector is the strongest? (a) a class selector (b) an element selector (c) an id selector
36. 36.🎨 What does CSS stand for? (a) Colourful Site Styles (b) Creative Sheet System (c) Cascading Style Sheets (d) Computer Style Sheets
37. 37.🎯 Can many elements share the same class? (a) Yes (b) No
38. 38.🌈 Which colour is rgb(0, 255, 0)? (a) cyan (b) red (c) bright green (d) white
39. 39.🖌️ What colour are the letters?
    h1 {
      text-align: right;
      font-size: 36px;
      background-color: red;
      color: orange;
    } (a) yellow (b) red (c) orange
40. 40.🌈 Which colour is #000000? (a) blue (b) black (c) yellow (d) bright green

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