CSS Worksheet: Practice Test

HTML and CSS lesson 20: CSS test · Set 372 · 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.🎨 Which tag holds CSS inside the head? (a) <style> (b) <script> (c) <css> (d) <body>
2. 2.✍️ How many declarations (property: value pairs) are in this rule?
   .note {
     margin: 10px;
     font-size: 20px;
     background-color: yellow;
   }
3. 3.💪 Which flexbox property lines boxes up across? (a) display: flex (b) flex-direction (c) justify-content (d) align-items
4. 4.🖌️ Where does the text sit on its line?
   h1 {
     background-color: red;
     color: white;
     font-size: 24px;
     text-align: center;
   } (a) on the left (b) on the right (c) in the middle
5. 5.🧩 Which language adds space around boxes? (a) CSS (b) JavaScript (c) HTML
6. 6.⚖️ What colour is the text of this element?
   <h2 class="star" id="top">Hi</h2>
   CSS:
   .star { color: red; }
   #top { color: purple; } (a) black (b) purple (c) green (d) red
7. 7.✍️ How many declarations (property: value pairs) are in this rule?
   #top {
     font-size: 20px;
     font-weight: bold;
   }
8. 8.🌈 How many pairs of hex digits are in a colour like #ff8800? (a) 6 (b) 3 (c) 4 (d) 2
9. 9.⚖️ What colour is the text of this element?
   <p class="red" id="intro">Hi</p>
   CSS:
   #intro { color: blue; }
   #intro { color: red; } (a) orange (b) blue (c) red (d) purple
10. 10.🎯 Which element does the selector #hero style? (a) <h2 id="hero"> (b) <h2 id="top"> (c) <li class="star"> (d) <h2 class="hero">
11. 11.💪 How much empty space (px) is left after the last box?
    .row {
      display: flex;
      width: 300px;
      justify-content: flex-start;
    }
    Inside are 3 boxes, each 80px wide (no margins).
12. 12.🎯 Which sign starts an id selector? (a) . (b) & (c) # (d) @
13. 13.📱 max-width: 600px applies when the screen is ___. (a) turned off (b) 600px or wider (c) exactly 1000px (d) 600px or narrower
14. 14.✍️ How many declarations (property: value pairs) are in this rule?
    .note {
      font-size: 20px;
    }
15. 15.🌈 Which colour is #ff00ff? (a) white (b) magenta (c) yellow (d) black
16. 16.⚖️ What colour is the text of this element?
    <h2 class="star" id="top">Hi</h2>
    CSS:
    h2 { color: green; }
    h2 { color: blue; } (a) yellow (b) black (c) green (d) blue
17. 17.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 380px;
      justify-content: center;
    }
    Inside are 3 boxes, each 100px wide (no margins).
18. 18.🧩 Which language reacts to a button click? (a) HTML (b) CSS (c) JavaScript
19. 19.🌈 Which hex code is red? (a) #00ff00 (b) #ffffff (c) #ff0000 (d) #000000
20. 20.⚖️ What colour is the text of this element?
    <p class="red" id="top">Hi</p>
    CSS:
    #top { color: green; }
    p { color: white; } (a) white (b) black (c) green (d) purple
21. 21.📱 The screen is 540px wide. Does the rule inside @media apply?
    p {
      font-size: 12px;
    }
    @media (min-width: 600px) {
      p {
        font-size: 14px;
      }
    } (a) Yes (b) No
22. 22.📱 The screen is 375px wide. What font-size (px) does the paragraph get?
    p {
      font-size: 20px;
    }
    @media (min-width: 1024px) {
      p {
        font-size: 26px;
      }
    }
23. 23.📦 How much space across (px) does this box take in all, margin included?
    .box {
      width: 280px;
      padding: 25px;
      border: 5px solid black;
      margin: 20px;
    }
24. 24.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 180px;
      justify-content: flex-end;
    }
    Inside are 4 boxes, each 40px wide (no margins).
25. 25.⚖️ Which selector is the weakest? (a) a class selector (b) an element selector (c) an id selector
26. 26.🎯 Which element does the selector #main style? (a) <p class="main"> (b) <p id="main"> (c) <p id="logo"> (d) <h1 class="big">
27. 27.📱 The screen is 700px wide. What font-size (px) does the paragraph get?
    p {
      font-size: 16px;
    }
    @media (min-width: 1024px) {
      p {
        font-size: 22px;
      }
    }
28. 28.🔍 Which is the odd one out? (a) reacts to a button click (b) changes the page live (c) checks a quiz answer (d) puts a picture on a page
29. 29.⚖️ What colour is the text of this element?
    <h1 class="red" id="end">Hi</h1>
    CSS:
    #end { color: yellow; }
    #end { color: blue; } (a) yellow (b) red (c) black (d) blue
30. 30.🖌️ What colour are the letters?
    li {
      color: white;
      font-size: 20px;
      background-color: black;
      text-align: left;
    } (a) blue (b) white (c) black
31. 31.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 190px;
      justify-content: flex-end;
    }
    Inside are 4 boxes, each 40px wide (no margins).
32. 32.🌈 Which colour of light is strongest in rgb(4, 161, 124)? (a) green (b) red (c) blue
33. 33.🖌️ Where does the text sit on its line?
    h2 {
      font-size: 24px;
      color: blue;
      background-color: red;
      text-align: right;
    } (a) on the left (b) in the middle (c) on the right
34. 34.✍️ What value is given to font-size in this rule?
    p {
      font-style: italic;
      font-size: 20px;
      color: red;
    } (a) font-size (b) 20px (c) center (d) yellow
35. 35.🔍 Which is the odd one out? (a) gives the page structure (b) reacts to a button click (c) checks a quiz answer (d) counts down a timer
36. 36.🖌️ Where does the text sit on its line?
    p {
      background-color: black;
      font-size: 16px;
      text-align: center;
      color: white;
    } (a) on the left (b) on the right (c) in the middle
37. 37.💪 How wide (px) is each gap between two boxes?
    .row {
      display: flex;
      width: 160px;
      justify-content: space-between;
    }
    Inside are 2 boxes, each 60px wide (no margins).
38. 38.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 220px;
      justify-content: center;
    }
    Inside are 3 boxes, each 60px wide (no margins).
39. 39.What does justify-content: flex-end do? (a) equal gaps, none at ends (b) packs boxes at the end (c) packs boxes at the start (d) puts boxes in the middle
40. 40.🖌️ What colour are the letters?
    li {
      background-color: red;
      text-align: center;
      font-size: 32px;
      color: blue;
    } (a) blue (b) red (c) black

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