CSS Worksheet: Practice Test

HTML and CSS lesson 20: CSS test · Set 460 · 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 much space top to bottom (px) does this box take in all, margin included?
   .box {
     height: 170px;
     padding: 15px;
     border: 5px solid black;
     margin: 15px;
   }
2. 2.🔍 Which is the odd one out? (a) adds space around boxes (b) changes the text size (c) rounds box corners (d) makes a link
3. 3.🖌️ Which CSS property makes the text bold? (a) color (b) text-align (c) font-weight (d) font-family
4. 4.📱 The screen is 820px wide. Does the rule inside @media apply?
   p {
     font-size: 12px;
   }
   @media (min-width: 768px) {
     p {
       font-size: 20px;
     }
   } (a) No (b) Yes
5. 5.🎯 Which CSS selector matches this element?
   <span class="box" id="top">Hello</span> (a) #box (b) .box (c) p (d) .star
6. 6.🧩 Which language changes the text size? (a) JavaScript (b) HTML (c) CSS
7. 7.📱 Responsive design means a page ___. (a) is only for laptops (b) never changes (c) fits every screen (d) has no pictures
8. 8.What does justify-content: space-between do? (a) packs boxes at the start (b) packs boxes at the end (c) puts boxes in the middle (d) equal gaps, none at ends
9. 9.🧩 Which language lays out the page? (a) HTML (b) CSS (c) JavaScript
10. 10.🌈 Which colour is rgb(255, 0, 255)? (a) bright green (b) magenta (c) red (d) cyan
11. 11.✍️ How does a CSS comment start? (a) # (b) // (c) /* (d) <!--
12. 12.🖌️ Which CSS property picks the font style? (a) color (b) text-align (c) background-color (d) font-family
13. 13.🎯 What kind of selector is p? (a) a class selector (b) an element selector (c) an id selector
14. 14.🖌️ Where does the text sit on its line?
    h1 {
      background-color: orange;
      font-size: 28px;
      text-align: center;
      color: black;
    } (a) on the right (b) on the left (c) in the middle
15. 15.⚖️ What colour is the text of this element?
    <p class="box" id="hero">Hi</p>
    CSS:
    p { color: red; }
    p { color: blue; } (a) blue (b) red (c) purple (d) green
16. 16.🌈 Which colour is rgb(0, 255, 0)? (a) blue (b) red (c) black (d) bright green
17. 17.True or false: li is an element selector. (a) True (b) False
18. 18.💪 Which flexbox property spaces boxes along a row? (a) flex-direction (b) align-items (c) justify-content (d) display: flex
19. 19.True or false: .menu is an element selector. (a) True (b) False
20. 20.🌈 Which colour is #ff00ff? (a) white (b) black (c) yellow (d) magenta
21. 21.True or false: #main is an id selector. (a) False (b) True
22. 22.✍️ How many declarations (property: value pairs) are in this rule?
    body {
      background-color: yellow;
      margin: 10px;
      font-style: italic;
    }
23. 23.True or false: p is an element selector. (a) True (b) False
24. 24.True or false: CSS reacts to a button click. (a) False (b) True
25. 25.True or false: HTML gives the page structure. (a) False (b) True
26. 26.What does justify-content: flex-start do? (a) equal gaps, none at ends (b) packs boxes at the end (c) puts boxes in the middle (d) packs boxes at the start
27. 27.✍️ What value is given to font-style in this rule?
    #top {
      font-style: italic;
      font-size: 20px;
      text-align: center;
      font-weight: bold;
    } (a) font-style (b) italic (c) red (d) 20px
28. 28.True or false: padding is space inside the border. (a) False (b) True
29. 29.🎯 Which CSS selector matches this element?
    <p class="star" id="logo">Hello</p> (a) .logo (b) .star (c) #end (d) #star
30. 30.📦 In the box model, which part is space outside the border? (a) content (b) padding (c) margin (d) border
31. 31.True or false: .star is an id selector. (a) False (b) True
32. 32.Which of these does HTML do? (a) rounds box corners (b) makes headings and lists (c) shows a pop-up message (d) checks a quiz answer
33. 33.⚖️ What colour is the text of this element?
    <h2 class="star" id="main">Hi</h2>
    CSS:
    .star { color: purple; }
    #main { color: yellow; } (a) green (b) yellow (c) purple (d) orange
34. 34.⚖️ Two rules with the same selector set a colour. Which one wins? (a) the first one (b) neither (c) the later one (d) the shorter one
35. 35.📱 Which tag helps phones show a page at the right size? (a) the br tag (b) the viewport meta tag (c) the title tag (d) the hr tag
36. 36.✍️ Which property is set to yellow in this rule?
    h2 {
      background-color: yellow;
      color: red;
    } (a) margin (b) background-color (c) padding (d) yellow
37. 37.🎯 How many elements on a page should have the same id? (a) 2 (b) any number (c) 5 (d) 1
38. 38.🎯 Which element does the selector h1 style? (a) <li class="menu"> (b) <h2> (c) <div id="top"> (d) <h1 class="menu">
39. 39.🔍 Which is the odd one out? (a) checks a quiz answer (b) shows a pop-up message (c) changes the page live (d) puts a picture on a page
40. 40.✍️ CSS declarations go inside which brackets? (a) ( ) (b) { } (c) [ ] (d) < >

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