CSS Worksheet: Practice Test

HTML and CSS lesson 20: CSS test · Set 187 · 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.True or false: HTML adds space around boxes. (a) False (b) True
2. 2.🌈 Which colour is #0000ff? (a) bright green (b) blue (c) black (d) red
3. 3.🎯 Which CSS selector matches this element?
   <h1 class="red" id="intro">Hello</h1> (a) h1 (b) #main (c) #red (d) h2
4. 4.⚖️ What colour is the text of this element?
   <h2 class="box" id="top">Hi</h2>
   CSS:
   h2 { color: black; }
   #top { color: orange; }
   .box { color: red; } (a) red (b) orange (c) black (d) purple
5. 5.📱 The screen is 320px wide. Does the rule inside @media apply?
   p {
     font-size: 12px;
   }
   @media (max-width: 600px) {
     p {
       font-size: 8px;
     }
   } (a) No (b) Yes
6. 6.🖌️ Where does the text sit on its line?
   h1 {
     text-align: left;
     color: blue;
     background-color: purple;
     font-size: 24px;
   } (a) in the middle (b) on the right (c) on the left
7. 7.True or false: HTML makes a form box. (a) False (b) True
8. 8.⚖️ What colour is the text of this element?
   <p class="red" id="intro">Hi</p>
   CSS:
   p { color: red; }
   .red { color: green; } (a) green (b) red (c) yellow (d) white
9. 9.📱 Responsive design means a page ___. (a) never changes (b) is only for laptops (c) fits every screen (d) has no pictures
10. 10.📦 How much space top to bottom (px) does this box take in all, margin included?
    .box {
      height: 50px;
      padding: 20px;
      border: 5px solid black;
      margin: 5px;
    }
11. 11.✍️ In color: blue; which part is the property? (a) blue (b) color (c) ; (d) :
12. 12.📱 The screen is 414px wide. What font-size (px) does the paragraph get?
    p {
      font-size: 16px;
    }
    @media (max-width: 1024px) {
      p {
        font-size: 12px;
      }
    }
13. 13.⚖️ What colour is the text of this element?
    <p class="note" id="end">Hi</p>
    CSS:
    #end { color: yellow; }
    p { color: blue; }
    .note { color: red; } (a) red (b) white (c) yellow (d) blue
14. 14.🎨 What does CSS stand for? (a) Colourful Site Styles (b) Creative Sheet System (c) Cascading Style Sheets (d) Computer Style Sheets
15. 15.✍️ How does a CSS comment start? (a) /* (b) <!-- (c) # (d) //
16. 16.True or false: padding is a solid or dotted edge. (a) False (b) True
17. 17.⚖️ Two rules with the same selector set a colour. Which one wins? (a) the shorter one (b) the first one (c) the later one (d) neither
18. 18.🎯 Can many elements share the same class? (a) No (b) Yes
19. 19.🔍 Which is the odd one out? (a) shows a pop-up message (b) reacts to a button click (c) counts down a timer (d) sets colours and fonts
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: 300px;
      padding: 10px;
      border: 4px solid black;
      margin: 20px;
    }
21. 21.🌈 Which colour of light is strongest in rgb(178, 24, 63)? (a) red (b) green (c) blue
22. 22.📱 The screen is 820px wide. Does the rule inside @media apply?
    p {
      font-size: 24px;
    }
    @media (min-width: 600px) {
      p {
        font-size: 26px;
      }
    } (a) Yes (b) No
23. 23.🎯 Which sign starts a class selector? (a) & (b) . (c) @ (d) #
24. 24.True or false: body is a class selector. (a) False (b) True
25. 25.🔍 Which is the odd one out? (a) gives the page structure (b) puts a picture on a page (c) changes the page live (d) makes a link
26. 26.What does background-color do? (a) centres a heading (b) colours behind the text (c) picks the font style (d) sets the letter colour
27. 27.⚖️ What colour is the text of this element?
    <h2 class="note" id="end">Hi</h2>
    CSS:
    h2 { color: green; }
    .note { color: blue; }
    #end { color: purple; } (a) blue (b) purple (c) green (d) black
28. 28.📦 In the box model, which part is space outside the border? (a) border (b) content (c) padding (d) margin
29. 29.💪 How wide (px) is each gap between two boxes?
    .row {
      display: flex;
      width: 300px;
      justify-content: space-between;
    }
    Inside are 3 boxes, each 80px wide (no margins).
30. 30.🧩 Which language gives the page structure? (a) CSS (b) JavaScript (c) HTML
31. 31.✍️ How many declarations (property: value pairs) are in this rule?
    p {
      border: 2px solid;
      text-align: center;
      color: red;
    }
32. 32.✍️ Which sign goes between a property and its value? (a) ; (b) : (c) - (d) =
33. 33.⚖️ What colour is the text of this element?
    <h1 class="red" id="logo">Hi</h1>
    CSS:
    #logo { color: purple; }
    .red { color: green; } (a) black (b) green (c) white (d) purple
34. 34.🎯 Which element does the selector .box style? (a) <span class="menu"> (b) <div class="star"> (c) <div id="box"> (d) <div class="box">
35. 35.🎨 Which tag connects an outside CSS file? (a) <css> (b) <img> (c) <link> (d) <a>
36. 36.True or false: the content is the line round the box. (a) True (b) False
37. 37.⚖️ What colour is the text of this element?
    <h2 class="menu" id="end">Hi</h2>
    CSS:
    #end { color: green; }
    #end { color: orange; } (a) orange (b) yellow (c) black (d) green
38. 38.✍️ CSS declarations go inside which brackets? (a) { } (b) [ ] (c) ( ) (d) < >
39. 39.True or false: .star is a class selector. (a) True (b) False
40. 40.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 420px;
      justify-content: center;
    }
    Inside are 4 boxes, each 80px wide (no margins).

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