CSS Worksheet: Practice Test

HTML and CSS lesson 20: CSS test · Set 754 · 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 selector is the strongest? (a) a class selector (b) an element selector (c) an id selector
2. 2.True or false: JavaScript gives the page structure. (a) False (b) True
3. 3.✍️ Which sign ends each CSS declaration? (a) . (b) : (c) ; (d) ,
4. 4.📱 The screen is 1366px wide. Does the rule inside @media apply?
   p {
     font-size: 24px;
   }
   @media (min-width: 1024px) {
     p {
       font-size: 30px;
     }
   } (a) No (b) Yes
5. 5.✍️ Which property is set to 20px in this rule?
   .box {
     background-color: yellow;
     font-size: 20px;
     padding: 8px;
     text-align: center;
   } (a) 20px (b) background-color (c) text-align (d) font-size
6. 6.📦 How wide (px) is this box from the outer edge of its left border to the outer edge of its right border?
   .box {
     width: 280px;
     padding: 5px;
     border: 4px solid black;
     margin: 0px;
   }
7. 7.🔍 Which is the odd one out? (a) gives the page structure (b) checks a quiz answer (c) reacts to a button click (d) changes the page live
8. 8.⚖️ What colour is the text of this element?
   <h1 class="box" id="top">Hi</h1>
   CSS:
   h1 { color: black; }
   h1 { color: yellow; } (a) green (b) blue (c) black (d) yellow
9. 9.📱 The screen is 320px wide. Does the rule inside @media apply?
   p {
     font-size: 20px;
   }
   @media (min-width: 1024px) {
     p {
       font-size: 24px;
     }
   } (a) Yes (b) No
10. 10.🎯 Which element does the selector .red style? (a) <p id="red"> (b) <h1 class="star"> (c) <p class="red"> (d) <p class="box">
11. 11.🌈 Which hex code is white? (a) #ff00ff (b) #00ffff (c) #00ff00 (d) #ffffff
12. 12.✍️ How many declarations (property: value pairs) are in this rule?
    .box {
      background-color: yellow;
      font-style: italic;
      margin: 10px;
      font-weight: bold;
    }
13. 13.⚖️ What colour is the text of this element?
    <p class="box" id="logo">Hi</p>
    CSS:
    p { color: green; }
    p { color: black; } (a) yellow (b) blue (c) black (d) green
14. 14.True or false: HTML makes a link. (a) True (b) False
15. 15.📦 How much space across (px) does this box take in all, margin included?
    .box {
      width: 130px;
      padding: 25px;
      border: 2px solid black;
      margin: 15px;
    }
16. 16.✍️ What value is given to background-color in this rule?
    .note {
      color: red;
      padding: 8px;
      background-color: yellow;
      width: 300px;
    } (a) yellow (b) background-color (c) 8px (d) 10px
17. 17.🌈 Which colour is rgb(255, 255, 0)? (a) cyan (b) yellow (c) bright green (d) white
18. 18.📱 The screen is 375px wide. What font-size (px) does the paragraph get?
    p {
      font-size: 12px;
    }
    @media (max-width: 480px) {
      p {
        font-size: 6px;
      }
    }
19. 19.🎯 Which element does the selector .big style? (a) <span class="box"> (b) <div class="red"> (c) <div id="big"> (d) <div class="big">
20. 20.📱 max-width: 600px applies when the screen is ___. (a) 600px or wider (b) 600px or narrower (c) exactly 1000px (d) turned off
21. 21.📱 The screen is 414px wide. What font-size (px) does the paragraph get?
    p {
      font-size: 20px;
    }
    @media (max-width: 1024px) {
      p {
        font-size: 14px;
      }
    }
22. 22.True or false: CSS rounds box corners. (a) False (b) True
23. 23.Which of these does CSS do? (a) puts a picture on a page (b) makes a link (c) rounds box corners (d) makes headings and lists
24. 24.What does justify-content: flex-start 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
25. 25.🎯 Which CSS selector matches this element?
    <li class="box" id="main">Hello</li> (a) .star (b) #box (c) li (d) div
26. 26.🔍 Which is the odd one out? (a) makes a link (b) puts a picture on a page (c) gives the page structure (d) changes the page live
27. 27.📱 The screen is 700px wide. What font-size (px) does the paragraph get?
    p {
      font-size: 24px;
    }
    @media (min-width: 480px) {
      p {
        font-size: 30px;
      }
    }
28. 28.Which of these does HTML do? (a) changes the text size (b) makes a form box (c) shows a pop-up message (d) adds space around boxes
29. 29.🎯 Which CSS selector matches this element?
    <h1 class="note" id="top">Hello</h1> (a) h2 (b) .note (c) #intro (d) .big
30. 30.🎨 One CSS file can style how many pages? (a) only one word (b) only one image (c) many pages (d) no pages
31. 31.📱 Responsive design means a page ___. (a) never changes (b) fits every screen (c) has no pictures (d) is only for laptops
32. 32.🎯 How many elements on a page should have the same id? (a) 1 (b) 2 (c) any number (d) 5
33. 33.✍️ How many declarations (property: value pairs) are in this rule?
    .note {
      font-size: 20px;
      font-style: italic;
      width: 300px;
      margin: 10px;
    }
34. 34.Which of these does CSS do? (a) counts down a timer (b) reacts to a button click (c) makes headings and lists (d) lays out the page
35. 35.📱 What does a media query check? (a) the battery level (b) the screen width (c) the time of day (d) the page title
36. 36.⚖️ What colour is the text of this element?
    <h2 class="big" id="hero">Hi</h2>
    CSS:
    h2 { color: yellow; }
    h2 { color: orange; } (a) green (b) orange (c) yellow (d) purple
37. 37.🖌️ What colour are the letters?
    li {
      font-size: 24px;
      background-color: black;
      color: green;
      text-align: right;
    } (a) green (b) blue (c) black
38. 38.⚖️ Which selector is the weakest? (a) an element selector (b) an id selector (c) a class selector
39. 39.Which of these is margin? (a) a solid or dotted edge (b) the line round the box (c) the gap round content (d) space outside the border
40. 40.🔍 Which is the odd one out? (a) puts a picture on a page (b) gives the page structure (c) makes a form box (d) lays out the page

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