CSS Worksheet: Practice Test

HTML and CSS lesson 20: CSS test · Set 109 · 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 is #00ff00? (a) white (b) black (c) yellow (d) bright green
2. 2.🌈 In #009a00 the green part is the hex number 9a. What is it as a normal number?
3. 3.⚖️ Two rules with the same selector set a colour. Which one wins? (a) the first one (b) the shorter one (c) neither (d) the later one
4. 4.🔍 Which is the odd one out? (a) lays out the page (b) shows a pop-up message (c) sets colours and fonts (d) changes the text size
5. 5.📦 How much space across (px) does this box take in all, margin included?
   .box {
     width: 290px;
     padding: 30px;
     border: 5px solid black;
     margin: 0px;
   }
6. 6.💪 How wide (px) is each gap between two boxes?
   .row {
     display: flex;
     width: 380px;
     justify-content: space-between;
   }
   Inside are 3 boxes, each 100px wide (no margins).
7. 7.🌈 Which colour of light is strongest in rgb(121, 122, 161)? (a) red (b) green (c) blue
8. 8.💪 Which flexbox property lines boxes up across? (a) display: flex (b) align-items (c) gap (d) justify-content
9. 9.✍️ Which property is set to 8px in this rule?
   .note {
     font-weight: bold;
     padding: 8px;
   } (a) padding (b) font-weight (c) border (d) 8px
10. 10.🌈 Which colour is rgb(255, 0, 255)? (a) red (b) white (c) blue (d) magenta
11. 11.True or false: .star is an element selector. (a) True (b) False
12. 12.🔍 Which is the odd one out? (a) reacts to a button click (b) adds space around boxes (c) shows a pop-up message (d) counts down a timer
13. 13.Which of these does CSS do? (a) changes the page live (b) puts a picture on a page (c) rounds box corners (d) counts down a timer
14. 14.📱 What does a media query check? (a) the battery level (b) the page title (c) the time of day (d) the screen width
15. 15.Which of these does JavaScript do? (a) makes a form box (b) makes a link (c) changes the page live (d) puts a picture on a page
16. 16.Which of these is margin? (a) the gap round content (b) space outside the border (c) the text or picture (d) the line round the box
17. 17.📱 min-width: 800px applies when the screen is ___. (a) 800px or narrower (b) exactly 100px (c) turned off (d) 800px or wider
18. 18.📱 The screen is 1366px wide. Does the rule inside @media apply?
    p {
      font-size: 12px;
    }
    @media (min-width: 600px) {
      p {
        font-size: 18px;
      }
    } (a) No (b) Yes
19. 19.📦 How much space across (px) does this box take in all, margin included?
    .box {
      width: 120px;
      padding: 10px;
      border: 4px solid black;
      margin: 0px;
    }
20. 20.📦 How much space top to bottom (px) does this box take in all, margin included?
    .box {
      height: 60px;
      padding: 5px;
      border: 3px solid black;
      margin: 10px;
    }
21. 21.📱 The screen is 320px wide. What font-size (px) does the paragraph get?
    p {
      font-size: 20px;
    }
    @media (max-width: 768px) {
      p {
        font-size: 16px;
      }
    }
22. 22.🔍 Which is the odd one out? (a) reacts to a button click (b) counts down a timer (c) makes a form box (d) changes the page live
23. 23.⚖️ What colour is the text of this element?
    <p class="menu" id="top">Hi</p>
    CSS:
    #top { color: green; }
    #top { color: red; } (a) orange (b) green (c) red (d) purple
24. 24.Which of these does JavaScript do? (a) makes a form box (b) lays out the page (c) rounds box corners (d) reacts to a button click
25. 25.🖌️ What colour is behind the letters?
    h1 {
      text-align: right;
      font-size: 40px;
      color: orange;
      background-color: green;
    } (a) orange (b) green (c) yellow
26. 26.✍️ What value is given to margin in this rule?
    h1 {
      padding: 8px;
      margin: 10px;
    } (a) margin (b) bold (c) 10px (d) 8px
27. 27.🎯 What kind of selector is .note? (a) a class selector (b) an id selector (c) an element selector
28. 28.🎯 Which element does the selector li style? (a) <div> (b) <p id="hero"> (c) <li class="big"> (d) <span class="big">
29. 29.🎯 Which element does the selector h1 style? (a) <h1 class="big"> (b) <li class="big"> (c) <h2> (d) <div id="end">
30. 30.✍️ CSS declarations go inside which brackets? (a) { } (b) < > (c) ( ) (d) [ ]
31. 31.⚖️ What colour is the text of this element?
    <h1 class="box" id="hero">Hi</h1>
    CSS:
    #hero { color: blue; }
    #hero { color: green; } (a) purple (b) white (c) green (d) blue
32. 32.✍️ How many declarations (property: value pairs) are in this rule?
    p {
      font-size: 20px;
      font-style: italic;
      font-weight: bold;
      width: 300px;
    }
33. 33.True or false: CSS makes a form box. (a) False (b) True
34. 34.📱 Responsive design means a page ___. (a) fits every screen (b) never changes (c) is only for laptops (d) has no pictures
35. 35.📱 The screen is 540px wide. What font-size (px) does the paragraph get?
    p {
      font-size: 12px;
    }
    @media (max-width: 600px) {
      p {
        font-size: 10px;
      }
    }
36. 36.💪 How wide (px) is each gap between two boxes?
    .row {
      display: flex;
      width: 340px;
      justify-content: space-between;
    }
    Inside are 3 boxes, each 60px wide (no margins).
37. 37.What does background-color do? (a) centres a heading (b) makes letters bigger (c) makes the text bold (d) colours behind the text
38. 38.True or false: p is an id selector. (a) True (b) False
39. 39.Which of these does CSS do? (a) puts a picture on a page (b) makes a link (c) lays out the page (d) checks a quiz answer
40. 40.✍️ In color: blue; which part is the value? (a) ; (b) color (c) blue (d) :

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