CSS Worksheet: Practice Test

HTML and CSS lesson 20: CSS test · Set 605 · 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 colour of light is strongest in rgb(81, 160, 85)? (a) red (b) green (c) blue
2. 2.🎯 Which CSS selector matches this element?
   <h1 class="big" id="logo">Hello</h1> (a) .logo (b) h1 (c) h2 (d) #end
3. 3.What does font-size do? (a) sets the letter colour (b) picks the font style (c) makes letters bigger (d) colours behind the text
4. 4.🌈 What is the biggest number one colour can have in rgb()? (a) 1000 (b) 100 (c) 255 (d) 99
5. 5.⚖️ What colour is the text of this element?
   <h2 class="big" id="logo">Hi</h2>
   CSS:
   .big { color: white; }
   #logo { color: black; } (a) white (b) green (c) black (d) red
6. 6.📱 The screen is 1100px wide. What font-size (px) does the paragraph get?
   p {
     font-size: 20px;
   }
   @media (min-width: 768px) {
     p {
       font-size: 24px;
     }
   }
7. 7.📱 The screen is 1100px wide. Does the rule inside @media apply?
   p {
     font-size: 16px;
   }
   @media (min-width: 768px) {
     p {
       font-size: 24px;
     }
   } (a) No (b) Yes
8. 8.What does background-color do? (a) sets the letter colour (b) colours behind the text (c) makes the text bold (d) centres a heading
9. 9.✍️ How many declarations (property: value pairs) are in this rule?
   h1 {
     text-align: center;
     width: 300px;
   }
10. 10.🌈 Which colour is #00ff00? (a) blue (b) bright green (c) magenta (d) black
11. 11.✍️ In color: blue; which part is the value? (a) color (b) ; (c) : (d) blue
12. 12.🎯 Can many elements share the same class? (a) No (b) Yes
13. 13.What does justify-content: space-between do? (a) packs boxes at the start (b) equal gaps, none at ends (c) puts boxes in the middle (d) packs boxes at the end
14. 14.True or false: HTML makes a link. (a) True (b) False
15. 15.Which of these does HTML do? (a) reacts to a button click (b) puts a picture on a page (c) adds space around boxes (d) shows a pop-up message
16. 16.✍️ What is the selector in this CSS rule?
    #top {
      font-size: 20px;
      border: 2px solid;
    } (a) font-size (b) #top (c) 2px solid (d) li
17. 17.Which of these is the border? (a) a solid or dotted edge (b) the gap to other boxes (c) space outside the border (d) the text or picture
18. 18.💪 How much empty space (px) is left after the last box?
    .row {
      display: flex;
      width: 320px;
      justify-content: flex-start;
    }
    Inside are 4 boxes, each 60px wide (no margins).
19. 19.🌈 In #rrggbb, which colour do the last two digits give? (a) white (b) green (c) blue (d) red
20. 20.⚖️ What colour is the text of this element?
    <h2 class="note" id="hero">Hi</h2>
    CSS:
    .note { color: orange; }
    .note { color: yellow; } (a) yellow (b) red (c) orange (d) white
21. 21.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 230px;
      justify-content: flex-end;
    }
    Inside are 3 boxes, each 50px wide (no margins).
22. 22.⚖️ What colour is the text of this element?
    <p class="note" id="hero">Hi</p>
    CSS:
    .note { color: white; }
    .note { color: blue; } (a) white (b) blue (c) red (d) black
23. 23.📦 How much space top to bottom (px) does this box take in all, margin included?
    .box {
      height: 200px;
      padding: 5px;
      border: 5px solid black;
      margin: 0px;
    }
24. 24.✍️ How many declarations (property: value pairs) are in this rule?
    li {
      background-color: yellow;
      width: 300px;
      text-align: center;
      font-style: italic;
    }
25. 25.⚖️ Two rules with the same selector set a colour. Which one wins? (a) the first one (b) the later one (c) the shorter one (d) neither
26. 26.💪 How much empty space (px) is left after the last box?
    .row {
      display: flex;
      width: 340px;
      justify-content: flex-start;
    }
    Inside are 3 boxes, each 100px wide (no margins).
27. 27.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 200px;
      justify-content: flex-end;
    }
    Inside are 3 boxes, each 40px wide (no margins).
28. 28.📱 What does a media query check? (a) the screen width (b) the time of day (c) the battery level (d) the page title
29. 29.⚖️ Which selector is the strongest? (a) a class selector (b) an element selector (c) an id selector
30. 30.🌈 Which colour is #ff0000? (a) magenta (b) black (c) blue (d) red
31. 31.🎯 Which CSS selector matches this element?
    <div class="red" id="end">Hello</div> (a) #hero (b) #red (c) #end (d) .end
32. 32.🎯 Which element does the selector #end style? (a) <li class="end"> (b) <li id="end"> (c) <li id="hero"> (d) <div class="box">
33. 33.🌈 Which colour of light is strongest in rgb(29, 49, 208)? (a) blue (b) green (c) red
34. 34.What does font-family do? (a) makes the text bold (b) sets the letter colour (c) colours behind the text (d) picks the font style
35. 35.✍️ What value is given to font-style in this rule?
    .note {
      text-align: center;
      font-style: italic;
      padding: 8px;
    } (a) 20px (b) font-style (c) italic (d) red
36. 36.⚖️ What colour is the text of this element?
    <p class="note" id="main">Hi</p>
    CSS:
    p { color: blue; }
    p { color: white; } (a) white (b) orange (c) blue (d) black
37. 37.🖌️ What colour is behind the letters?
    h2 {
      text-align: center;
      font-size: 28px;
      background-color: orange;
      color: red;
    } (a) orange (b) blue (c) red
38. 38.📱 The screen is 700px wide. Does the rule inside @media apply?
    p {
      font-size: 16px;
    }
    @media (min-width: 480px) {
      p {
        font-size: 18px;
      }
    } (a) No (b) Yes
39. 39.✍️ CSS declarations go inside which brackets? (a) [ ] (b) < > (c) { } (d) ( )
40. 40.🌈 Which colour is rgb(255, 255, 0)? (a) white (b) bright green (c) black (d) yellow

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