CSS Worksheet: Practice Test

HTML and CSS lesson 20: CSS test · Set 302 · 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.🌈 In #d40000 the red part is the hex number d4. What is it as a normal number?
2. 2.✍️ How does a CSS comment start? (a) // (b) /* (c) # (d) <!--
3. 3.What does background-color do? (a) colours behind the text (b) makes letters bigger (c) centres a heading (d) picks the font style
4. 4.⚖️ What colour is the text of this element?
   <h2 class="note" id="top">Hi</h2>
   CSS:
   h2 { color: blue; }
   h2 { color: purple; } (a) black (b) orange (c) blue (d) purple
5. 5.🖌️ How big is the text, in px?
   li {
     text-align: left;
     background-color: blue;
     font-size: 12px;
     color: green;
   }
6. 6.🧩 Which language checks a quiz answer? (a) CSS (b) HTML (c) JavaScript
7. 7.💪 How much empty space (px) is before the first box?
   .row {
     display: flex;
     width: 100px;
     justify-content: flex-end;
   }
   Inside are 2 boxes, each 40px wide (no margins).
8. 8.Which of these does JavaScript do? (a) changes the text size (b) rounds box corners (c) adds space around boxes (d) reacts to a button click
9. 9.🔍 Which is the odd one out? (a) counts down a timer (b) reacts to a button click (c) changes the page live (d) lays out the page
10. 10.💪 How much empty space (px) is left after the last box?
    .row {
      display: flex;
      width: 140px;
      justify-content: flex-start;
    }
    Inside are 2 boxes, each 60px wide (no margins).
11. 11.🎯 Which element does the selector .menu style? (a) <h1 id="menu"> (b) <h1 class="note"> (c) <h1 class="menu"> (d) <h2 class="big">
12. 12.📱 Responsive design means a page ___. (a) fits every screen (b) is only for laptops (c) has no pictures (d) never changes
13. 13.🖌️ What colour is behind the letters?
    li {
      background-color: red;
      text-align: center;
      font-size: 24px;
      color: blue;
    } (a) orange (b) blue (c) red
14. 14.⚖️ What colour is the text of this element?
    <h1 class="star" id="hero">Hi</h1>
    CSS:
    h1 { color: red; }
    h1 { color: white; } (a) white (b) black (c) green (d) red
15. 15.📦 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: 20px;
      border: 1px solid black;
      margin: 10px;
    }
16. 16.⚖️ What colour is the text of this element?
    <h2 class="red" id="intro">Hi</h2>
    CSS:
    .red { color: yellow; }
    .red { color: purple; } (a) red (b) purple (c) black (d) yellow
17. 17.✍️ How many declarations (property: value pairs) are in this rule?
    li {
      color: red;
    }
18. 18.🎯 Which CSS selector matches this element?
    <li class="note" id="logo">Hello</li> (a) .note (b) .big (c) #end (d) #note
19. 19.What does text-align do? (a) colours behind the text (b) centres a heading (c) makes the text bold (d) makes letters bigger
20. 20.⚖️ Which selector is the strongest? (a) a class selector (b) an element selector (c) an id selector
21. 21.📱 max-width: 600px applies when the screen is ___. (a) turned off (b) 600px or narrower (c) exactly 1000px (d) 600px or wider
22. 22.📱 The screen is 375px wide. What font-size (px) does the paragraph get?
    p {
      font-size: 16px;
    }
    @media (max-width: 600px) {
      p {
        font-size: 10px;
      }
    }
23. 23.💪 How wide (px) is each gap between two boxes?
    .row {
      display: flex;
      width: 130px;
      justify-content: space-between;
    }
    Inside are 2 boxes, each 40px wide (no margins).
24. 24.🌈 Which colour is rgb(255, 0, 0)? (a) red (b) cyan (c) white (d) black
25. 25.📦 In the box model, which part is the gap to other boxes? (a) content (b) margin (c) border (d) padding
26. 26.🖌️ What colour are the letters?
    li {
      text-align: right;
      color: red;
      font-size: 40px;
      background-color: green;
    } (a) green (b) red (c) black
27. 27.🖌️ Which CSS property centres a heading? (a) font-size (b) font-weight (c) font-family (d) text-align
28. 28.📱 The screen is 375px wide. What font-size (px) does the paragraph get?
    p {
      font-size: 16px;
    }
    @media (min-width: 768px) {
      p {
        font-size: 18px;
      }
    }
29. 29.✍️ Which property is set to 2px solid in this rule?
    p {
      font-size: 20px;
      border: 2px solid;
      color: red;
      font-style: italic;
    } (a) border (b) font-style (c) width (d) 2px solid
30. 30.Which of these does HTML do? (a) gives the page structure (b) changes the text size (c) shows a pop-up message (d) checks a quiz answer
31. 31.🎨 One CSS file can style how many pages? (a) no pages (b) only one word (c) many pages (d) only one image
32. 32.🌈 How many pairs of hex digits are in a colour like #ff8800? (a) 2 (b) 3 (c) 4 (d) 6
33. 33.🎯 Which element does the selector h1 style? (a) <div id="main"> (b) <li class="note"> (c) <h1 class="note"> (d) <h2>
34. 34.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 170px;
      justify-content: flex-end;
    }
    Inside are 2 boxes, each 80px wide (no margins).
35. 35.Which of these does JavaScript do? (a) puts a picture on a page (b) gives the page structure (c) counts down a timer (d) makes a link
36. 36.⚖️ What colour is the text of this element?
    <p class="star" id="intro">Hi</p>
    CSS:
    #intro { color: white; }
    .star { color: orange; } (a) green (b) black (c) white (d) orange
37. 37.🖌️ What colour is behind the letters?
    h2 {
      font-size: 40px;
      text-align: right;
      color: purple;
      background-color: blue;
    } (a) purple (b) yellow (c) blue
38. 38.⚖️ What colour is the text of this element?
    <p class="note" id="intro">Hi</p>
    CSS:
    .note { color: white; }
    #intro { color: purple; }
    p { color: red; } (a) white (b) orange (c) red (d) purple
39. 39.🧩 Which language lays out the page? (a) HTML (b) JavaScript (c) CSS
40. 40.📱 The screen is 1100px wide. Does the rule inside @media apply?
    p {
      font-size: 20px;
    }
    @media (max-width: 480px) {
      p {
        font-size: 16px;
      }
    } (a) Yes (b) No

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