CSS Worksheet: Practice Test

HTML and CSS lesson 20: CSS test · Set 865 · 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.📱 The screen is 375px wide. Does the rule inside @media apply?
   p {
     font-size: 16px;
   }
   @media (min-width: 768px) {
     p {
       font-size: 18px;
     }
   } (a) No (b) Yes
2. 2.⚖️ What colour is the text of this element?
   <h1 class="star" id="hero">Hi</h1>
   CSS:
   #hero { color: green; }
   #hero { color: red; } (a) red (b) blue (c) black (d) green
3. 3.⚖️ What colour is the text of this element?
   <p class="note" id="main">Hi</p>
   CSS:
   p { color: red; }
   p { color: white; } (a) red (b) green (c) black (d) white
4. 4.⚖️ Which selector is the strongest? (a) an element selector (b) a class selector (c) an id selector
5. 5.💪 How wide (px) is each gap between two boxes?
   .row {
     display: flex;
     width: 300px;
     justify-content: space-between;
   }
   Inside are 3 boxes, each 60px wide (no margins).
6. 6.🖌️ What colour are the letters?
   h1 {
     text-align: right;
     background-color: red;
     color: orange;
     font-size: 36px;
   } (a) purple (b) orange (c) red
7. 7.True or false: JavaScript sets colours and fonts. (a) True (b) False
8. 8.📱 The screen is 375px wide. Does the rule inside @media apply?
   p {
     font-size: 12px;
   }
   @media (max-width: 600px) {
     p {
       font-size: 6px;
     }
   } (a) Yes (b) No
9. 9.🎨 What does CSS stand for? (a) Computer Style Sheets (b) Creative Sheet System (c) Cascading Style Sheets (d) Colourful Site Styles
10. 10.🌈 In #0000d1 the blue part is the hex number d1. What is it as a normal number?
11. 11.🎨 One CSS file can style how many pages? (a) many pages (b) only one image (c) only one word (d) no pages
12. 12.📦 How wide (px) is this box from the outer edge of its left border to the outer edge of its right border?
    .box {
      width: 260px;
      padding: 5px;
      border: 4px solid black;
      margin: 0px;
    }
13. 13.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 320px;
      justify-content: center;
    }
    Inside are 4 boxes, each 40px wide (no margins).
14. 14.💪 How much empty space (px) is left after the last box?
    .row {
      display: flex;
      width: 110px;
      justify-content: flex-start;
    }
    Inside are 2 boxes, each 40px wide (no margins).
15. 15.📦 How much space across (px) does this box take in all, margin included?
    .box {
      width: 100px;
      padding: 5px;
      border: 2px solid black;
      margin: 15px;
    }
16. 16.True or false: #hero is an id selector. (a) True (b) False
17. 17.True or false: p is an id selector. (a) True (b) False
18. 18.📱 Which tag helps phones show a page at the right size? (a) the hr tag (b) the title tag (c) the br tag (d) the viewport meta tag
19. 19.What does text-align do? (a) sets the letter colour (b) colours behind the text (c) picks the font style (d) centres a heading
20. 20.🎯 What kind of selector is p? (a) an id selector (b) a class selector (c) an element selector
21. 21.🧩 Which language makes a link? (a) CSS (b) HTML (c) JavaScript
22. 22.📱 The screen is 320px wide. What font-size (px) does the paragraph get?
    p {
      font-size: 12px;
    }
    @media (max-width: 768px) {
      p {
        font-size: 8px;
      }
    }
23. 23.⚖️ What colour is the text of this element?
    <h1 class="star" id="top">Hi</h1>
    CSS:
    .star { color: black; }
    .star { color: blue; } (a) green (b) blue (c) black (d) white
24. 24.✍️ What value is given to text-align in this rule?
    .box {
      width: 300px;
      text-align: center;
      font-size: 20px;
    } (a) center (b) 10px (c) text-align (d) yellow
25. 25.⚖️ What colour is the text of this element?
    <h2 class="note" id="end">Hi</h2>
    CSS:
    h2 { color: orange; }
    h2 { color: blue; } (a) blue (b) orange (c) purple (d) white
26. 26.🌈 Which colour is rgb(0, 0, 0)? (a) cyan (b) bright green (c) black (d) blue
27. 27.🎯 Which element does the selector h1 style? (a) <div id="main"> (b) <h1 class="note"> (c) <h2> (d) <li class="note">
28. 28.🎯 What kind of selector is h1? (a) a class selector (b) an id selector (c) an element selector
29. 29.🎯 Which element does the selector .red style? (a) <h2 class="star"> (b) <h1 class="box"> (c) <h1 id="red"> (d) <h1 class="red">
30. 30.💪 Which justify-content value packs boxes at the end? (a) flex-end (b) flex-start (c) center (d) space-between
31. 31.⚖️ Which selector is the weakest? (a) a class selector (b) an id selector (c) an element selector
32. 32.📱 The screen is 414px wide. Does the rule inside @media apply?
    p {
      font-size: 24px;
    }
    @media (max-width: 480px) {
      p {
        font-size: 22px;
      }
    } (a) Yes (b) No
33. 33.💪 How wide (px) is each gap between two boxes?
    .row {
      display: flex;
      width: 320px;
      justify-content: space-between;
    }
    Inside are 3 boxes, each 60px wide (no margins).
34. 34.📱 max-width: 600px applies when the screen is ___. (a) 600px or wider (b) turned off (c) exactly 1000px (d) 600px or narrower
35. 35.What does justify-content: center do? (a) puts boxes in the middle (b) packs boxes at the end (c) packs boxes at the start (d) equal gaps, none at ends
36. 36.📱 What does a media query check? (a) the screen width (b) the page title (c) the time of day (d) the battery level
37. 37.🧩 Which language counts down a timer? (a) JavaScript (b) HTML (c) CSS
38. 38.✍️ How many declarations (property: value pairs) are in this rule?
    h1 {
      border: 2px solid;
    }
39. 39.What does justify-content: space-between do? (a) equal gaps, none at ends (b) packs boxes at the end (c) packs boxes at the start (d) puts boxes in the middle
40. 40.🧩 Which language changes the page live? (a) HTML (b) CSS (c) JavaScript

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