CSS Worksheet: Practice Test

HTML and CSS lesson 20: CSS test · Set 499 · 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.💪 How wide (px) is each gap between two boxes?
   .row {
     display: flex;
     width: 240px;
     justify-content: space-between;
   }
   Inside are 3 boxes, each 60px wide (no margins).
2. 2.✍️ Which property is set to 8px in this rule?
   p {
     color: red;
     padding: 8px;
     margin: 10px;
     font-weight: bold;
   } (a) border (b) font-weight (c) padding (d) 8px
3. 3.⚖️ What colour is the text of this element?
   <h2 class="big" id="end">Hi</h2>
   CSS:
   .big { color: white; }
   h2 { color: orange; }
   #end { color: blue; } (a) blue (b) red (c) white (d) orange
4. 4.🖌️ Where does the text sit on its line?
   h2 {
     font-size: 16px;
     color: red;
     background-color: black;
     text-align: left;
   } (a) in the middle (b) on the right (c) on the left
5. 5.💪 How much empty space (px) is before the first box?
   .row {
     display: flex;
     width: 260px;
     justify-content: center;
   }
   Inside are 3 boxes, each 40px wide (no margins).
6. 6.✍️ How does a CSS comment start? (a) // (b) # (c) <!-- (d) /*
7. 7.🎯 What kind of selector is body? (a) an id selector (b) a class selector (c) an element selector
8. 8.🎯 Which CSS selector matches this element?
   <div class="star" id="hero">Hello</div> (a) div (b) .menu (c) #top (d) span
9. 9.✍️ What value is given to color in this rule?
   h1 {
     font-weight: bold;
     margin: 10px;
     padding: 8px;
     color: red;
   } (a) color (b) center (c) 20px (d) red
10. 10.🖌️ What colour are the letters?
    p {
      text-align: left;
      font-size: 36px;
      color: blue;
      background-color: green;
    } (a) green (b) blue (c) purple
11. 11.Which of these does HTML do? (a) checks a quiz answer (b) sets colours and fonts (c) makes a form box (d) reacts to a button click
12. 12.🔍 Which is the odd one out? (a) checks a quiz answer (b) adds space around boxes (c) rounds box corners (d) changes the text size
13. 13.🎯 Which CSS selector matches this element?
    <span class="box" id="end">Hello</span> (a) #box (b) .end (c) .box (d) .star
14. 14.💪 Which justify-content value equal gaps, none at ends? (a) center (b) flex-start (c) space-between (d) flex-end
15. 15.📱 The screen is 320px wide. What font-size (px) does the paragraph get?
    p {
      font-size: 24px;
    }
    @media (min-width: 1024px) {
      p {
        font-size: 30px;
      }
    }
16. 16.Which of these does CSS do? (a) changes the page live (b) puts a picture on a page (c) rounds box corners (d) reacts to a button click
17. 17.⚖️ Which selector is the strongest? (a) a class selector (b) an id selector (c) an element selector
18. 18.📦 How wide (px) is this box from the outer edge of its left border to the outer edge of its right border?
    .box {
      width: 50px;
      padding: 10px;
      border: 4px solid black;
      margin: 20px;
    }
19. 19.📦 In the box model, which part is the line round the box? (a) margin (b) content (c) border (d) padding
20. 20.🎯 Which CSS selector matches this element?
    <li class="menu" id="hero">Hello</li> (a) .hero (b) div (c) li (d) #top
21. 21.🎯 Which sign starts a class selector? (a) . (b) @ (c) & (d) #
22. 22.🧩 Which language checks a quiz answer? (a) JavaScript (b) HTML (c) CSS
23. 23.🌈 Which colour is #ffffff? (a) yellow (b) red (c) white (d) black
24. 24.📦 How much space across (px) does this box take in all, margin included?
    .box {
      width: 210px;
      padding: 30px;
      border: 1px solid black;
      margin: 20px;
    }
25. 25.✍️ In color: blue; which part is the property? (a) : (b) blue (c) color (d) ;
26. 26.⚖️ What colour is the text of this element?
    <p class="note" id="main">Hi</p>
    CSS:
    p { color: blue; }
    p { color: yellow; } (a) blue (b) white (c) yellow (d) green
27. 27.📱 The screen is 820px wide. What font-size (px) does the paragraph get?
    p {
      font-size: 16px;
    }
    @media (max-width: 1024px) {
      p {
        font-size: 14px;
      }
    }
28. 28.✍️ Which sign ends each CSS declaration? (a) : (b) ; (c) . (d) ,
29. 29.🖌️ What colour is behind the letters?
    li {
      font-size: 40px;
      background-color: yellow;
      text-align: right;
      color: red;
    } (a) white (b) red (c) yellow
30. 30.🎯 What kind of selector is li? (a) a class selector (b) an id selector (c) an element selector
31. 31.📱 The screen is 700px wide. Does the rule inside @media apply?
    p {
      font-size: 16px;
    }
    @media (max-width: 480px) {
      p {
        font-size: 14px;
      }
    } (a) Yes (b) No
32. 32.✍️ What is the selector in this CSS rule?
    #top {
      font-weight: bold;
      color: red;
      background-color: yellow;
      font-size: 20px;
    } (a) red (b) li (c) font-weight (d) #top
33. 33.True or false: .big is an element selector. (a) True (b) False
34. 34.✍️ Which property is set to 8px in this rule?
    p {
      text-align: center;
      padding: 8px;
    } (a) font-weight (b) 8px (c) border (d) padding
35. 35.🌈 Which colour of light is strongest in rgb(155, 4, 64)? (a) red (b) blue (c) green
36. 36.🧩 Which language makes a link? (a) JavaScript (b) CSS (c) HTML
37. 37.True or false: HTML shows a pop-up message. (a) True (b) False
38. 38.⚖️ What colour is the text of this element?
    <h2 class="big" id="top">Hi</h2>
    CSS:
    h2 { color: green; }
    h2 { color: yellow; } (a) green (b) black (c) yellow (d) white
39. 39.🎨 Which tag holds CSS inside the head? (a) <body> (b) <script> (c) <css> (d) <style>
40. 40.🎯 How many elements on a page should have the same id? (a) 2 (b) any number (c) 1 (d) 5

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