CSS Worksheet: Practice Test

HTML and CSS lesson 20: CSS test · Set 719 · 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.True or false: JavaScript changes the text size. (a) False (b) True
2. 2.✍️ How does a CSS comment start? (a) /* (b) <!-- (c) // (d) #
3. 3.✍️ Which property is set to red in this rule?
   p {
     color: red;
     text-align: center;
     font-style: italic;
     margin: 10px;
   } (a) font-size (b) red (c) text-align (d) color
4. 4.True or false: CSS reacts to a button click. (a) True (b) False
5. 5.📱 min-width: 800px applies when the screen is ___. (a) 800px or wider (b) 800px or narrower (c) exactly 100px (d) turned off
6. 6.✍️ What value is given to width in this rule?
   .note {
     width: 300px;
     background-color: yellow;
   } (a) 300px (b) italic (c) width (d) red
7. 7.🔍 Which is the odd one out? (a) sets colours and fonts (b) makes headings and lists (c) makes a link (d) makes a form box
8. 8.What does justify-content: center do? (a) equal gaps, none at ends (b) packs boxes at the start (c) puts boxes in the middle (d) packs boxes at the end
9. 9.🧩 Which language makes a link? (a) HTML (b) CSS (c) JavaScript
10. 10.⚖️ What colour is the text of this element?
    <p class="red" id="hero">Hi</p>
    CSS:
    #hero { color: purple; }
    .red { color: red; }
    p { color: blue; } (a) yellow (b) red (c) purple (d) blue
11. 11.🌈 In #00005a the blue part is the hex number 5a. What is it as a normal number?
12. 12.📱 max-width: 600px applies when the screen is ___. (a) exactly 1000px (b) turned off (c) 600px or narrower (d) 600px or wider
13. 13.🖌️ What colour is behind the letters?
    h2 {
      color: yellow;
      background-color: green;
      text-align: center;
      font-size: 36px;
    } (a) green (b) yellow (c) blue
14. 14.🖌️ What colour is behind the letters?
    h1 {
      font-size: 28px;
      background-color: black;
      color: red;
      text-align: center;
    } (a) red (b) green (c) black
15. 15.⚖️ What colour is the text of this element?
    <h2 class="big" id="end">Hi</h2>
    CSS:
    #end { color: white; }
    #end { color: purple; } (a) purple (b) white (c) black (d) green
16. 16.⚖️ What colour is the text of this element?
    <p class="big" id="intro">Hi</p>
    CSS:
    .big { color: blue; }
    .big { color: green; } (a) blue (b) green (c) purple (d) red
17. 17.⚖️ What colour is the text of this element?
    <h1 class="red" id="intro">Hi</h1>
    CSS:
    #intro { color: yellow; }
    h1 { color: red; } (a) blue (b) white (c) yellow (d) red
18. 18.🖌️ Where does the text sit on its line?
    h1 {
      background-color: orange;
      font-size: 20px;
      text-align: right;
      color: red;
    } (a) in the middle (b) on the right (c) on the left
19. 19.💪 Which justify-content value equal gaps, none at ends? (a) flex-end (b) center (c) space-between (d) flex-start
20. 20.✍️ In color: blue; which part is the value? (a) color (b) : (c) blue (d) ;
21. 21.True or false: #logo is an element selector. (a) False (b) True
22. 22.🎯 Which CSS selector matches this element?
    <h2 class="box" id="intro">Hello</h2> (a) #main (b) .star (c) .intro (d) h2
23. 23.🖌️ What colour are the letters?
    h1 {
      background-color: green;
      font-size: 36px;
      color: blue;
      text-align: center;
    } (a) yellow (b) blue (c) green
24. 24.✍️ How many declarations (property: value pairs) are in this rule?
    body {
      color: red;
      width: 300px;
      font-size: 20px;
      text-align: center;
    }
25. 25.💪 How much empty space (px) is left after the last box?
    .row {
      display: flex;
      width: 170px;
      justify-content: flex-start;
    }
    Inside are 3 boxes, each 40px wide (no margins).
26. 26.Which of these does CSS do? (a) changes the text size (b) puts a picture on a page (c) makes a form box (d) shows a pop-up message
27. 27.🖌️ How big is the text, in px?
    li {
      font-size: 20px;
      text-align: center;
      color: blue;
      background-color: red;
    }
28. 28.📱 The screen is 375px wide. Does the rule inside @media apply?
    p {
      font-size: 12px;
    }
    @media (max-width: 768px) {
      p {
        font-size: 6px;
      }
    } (a) Yes (b) No
29. 29.📦 How wide (px) is this box from the outer edge of its left border to the outer edge of its right border?
    .box {
      width: 180px;
      padding: 15px;
      border: 2px solid black;
      margin: 20px;
    }
30. 30.🎨 Which tag holds CSS inside the head? (a) <body> (b) <script> (c) <style> (d) <css>
31. 31.✍️ What value is given to width in this rule?
    #top {
      color: red;
      text-align: center;
      width: 300px;
      padding: 8px;
    } (a) width (b) red (c) italic (d) 300px
32. 32.✍️ Which property is set to bold in this rule?
    .note {
      margin: 10px;
      font-size: 20px;
      color: red;
      font-weight: bold;
    } (a) font-weight (b) width (c) border (d) bold
33. 33.🎯 Which element does the selector #top style? (a) <p id="intro"> (b) <p id="top"> (c) <p class="top"> (d) <h1 class="star">
34. 34.What does justify-content: flex-end do? (a) packs boxes at the end (b) packs boxes at the start (c) puts boxes in the middle (d) equal gaps, none at ends
35. 35.📱 The screen is 1100px wide. Does the rule inside @media apply?
    p {
      font-size: 24px;
    }
    @media (min-width: 480px) {
      p {
        font-size: 28px;
      }
    } (a) No (b) Yes
36. 36.✍️ What value is given to margin in this rule?
    #top {
      font-style: italic;
      width: 300px;
      margin: 10px;
      font-size: 20px;
    } (a) 10px (b) 8px (c) bold (d) margin
37. 37.💪 Which flexbox property turns on flexbox? (a) flex-direction (b) gap (c) display: flex (d) justify-content
38. 38.✍️ In color: blue; which part is the property? (a) : (b) ; (c) blue (d) color
39. 39.🎨 One CSS file can style how many pages? (a) only one image (b) no pages (c) many pages (d) only one word
40. 40.📦 How wide (px) is this box from the outer edge of its left border to the outer edge of its right border?
    .box {
      width: 150px;
      padding: 30px;
      border: 3px solid black;
      margin: 20px;
    }

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