CSS Worksheet: Practice Test

HTML and CSS lesson 20: CSS test · Set 600 · 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 hex code is black? (a) #ffffff (b) #00ff00 (c) #000000 (d) #0000ff
2. 2.📦 How much space across (px) does this box take in all, margin included?
   .box {
     width: 60px;
     padding: 30px;
     border: 1px solid black;
     margin: 20px;
   }
3. 3.📦 In the box model, which part is space inside the border? (a) content (b) padding (c) border (d) margin
4. 4.📱 The screen is 414px wide. Does the rule inside @media apply?
   p {
     font-size: 16px;
   }
   @media (max-width: 480px) {
     p {
       font-size: 14px;
     }
   } (a) No (b) Yes
5. 5.💪 How wide (px) is each gap between two boxes?
   .row {
     display: flex;
     width: 190px;
     justify-content: space-between;
   }
   Inside are 3 boxes, each 50px wide (no margins).
6. 6.🖌️ What colour is behind the letters?
   h2 {
     font-size: 12px;
     background-color: green;
     text-align: right;
     color: yellow;
   } (a) purple (b) green (c) yellow
7. 7.🌈 Which colour is #000000? (a) black (b) white (c) yellow (d) cyan
8. 8.🌈 In #rrggbb, which colour do the last two digits give? (a) blue (b) green (c) red (d) white
9. 9.🖌️ Where does the text sit on its line?
   p {
     text-align: left;
     font-size: 28px;
     background-color: white;
     color: yellow;
   } (a) on the left (b) on the right (c) in the middle
10. 10.⚖️ Two rules with the same selector set a colour. Which one wins? (a) neither (b) the later one (c) the first one (d) the shorter one
11. 11.What does font-weight do? (a) makes letters bigger (b) makes the text bold (c) picks the font style (d) centres a heading
12. 12.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 520px;
      justify-content: center;
    }
    Inside are 4 boxes, each 100px wide (no margins).
13. 13.📦 In the box model, which part is the line round the box? (a) content (b) margin (c) border (d) padding
14. 14.📱 The screen is 1100px wide. Does the rule inside @media apply?
    p {
      font-size: 12px;
    }
    @media (min-width: 1024px) {
      p {
        font-size: 18px;
      }
    } (a) No (b) Yes
15. 15.What does color do? (a) picks the font style (b) centres a heading (c) makes the text bold (d) sets the letter colour
16. 16.💪 Which justify-content value packs boxes at the start? (a) flex-start (b) center (c) flex-end (d) space-between
17. 17.🖌️ Which CSS property picks the font style? (a) background-color (b) font-size (c) font-family (d) font-weight
18. 18.📱 max-width: 600px applies when the screen is ___. (a) exactly 1000px (b) turned off (c) 600px or wider (d) 600px or narrower
19. 19.⚖️ Which selector is the strongest? (a) a class selector (b) an element selector (c) an id selector
20. 20.🎯 What kind of selector is p? (a) a class selector (b) an id selector (c) an element selector
21. 21.✍️ What is the selector in this CSS rule?
    .note {
      padding: 8px;
      font-style: italic;
    } (a) #top (b) .note (c) padding (d) italic
22. 22.✍️ In color: blue; which part is the value? (a) : (b) blue (c) color (d) ;
23. 23.✍️ What is the selector in this CSS rule?
    body {
      background-color: yellow;
      font-style: italic;
    } (a) .box (b) body (c) italic (d) background-color
24. 24.🌈 What is the biggest number one colour can have in rgb()? (a) 255 (b) 99 (c) 100 (d) 1000
25. 25.📦 How much space across (px) does this box take in all, margin included?
    .box {
      width: 90px;
      padding: 30px;
      border: 3px solid black;
      margin: 0px;
    }
26. 26.🎯 Which CSS selector matches this element?
    <div class="note" id="end">Hello</div> (a) .end (b) #end (c) span (d) .big
27. 27.Which of these is the border? (a) a solid or dotted edge (b) space outside the border (c) the gap to other boxes (d) the text or picture
28. 28.🎯 Which CSS selector matches this element?
    <div class="box" id="end">Hello</div> (a) #hero (b) .star (c) div (d) span
29. 29.🎯 Which sign starts a class selector? (a) # (b) @ (c) & (d) .
30. 30.What does background-color do? (a) colours behind the text (b) centres a heading (c) sets the letter colour (d) makes the text bold
31. 31.✍️ How many declarations (property: value pairs) are in this rule?
    h1 {
      background-color: yellow;
      color: red;
    }
32. 32.🎯 Which element does the selector #main style? (a) <div class="main"> (b) <span class="note"> (c) <div id="main"> (d) <div id="logo">
33. 33.✍️ Which property is set to red in this rule?
    h1 {
      font-weight: bold;
      background-color: yellow;
      color: red;
      padding: 8px;
    } (a) font-size (b) text-align (c) color (d) red
34. 34.🔍 Which is the odd one out? (a) sets colours and fonts (b) gives the page structure (c) changes the text size (d) adds space around boxes
35. 35.🖌️ What colour is behind the letters?
    p {
      text-align: right;
      font-size: 12px;
      color: green;
      background-color: black;
    } (a) green (b) red (c) black
36. 36.🖌️ Which CSS property makes the text bold? (a) font-weight (b) font-size (c) font-family (d) background-color
37. 37.True or false: JavaScript makes a form box. (a) True (b) False
38. 38.🎯 Which CSS selector matches this element?
    <span class="note" id="main">Hello</span> (a) .main (b) #main (c) .big (d) #note
39. 39.🖌️ What colour are the letters?
    h1 {
      font-size: 36px;
      background-color: yellow;
      text-align: center;
      color: blue;
    } (a) purple (b) yellow (c) blue
40. 40.Which of these does JavaScript do? (a) makes a link (b) makes a form box (c) reacts to a button click (d) rounds box corners

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