CSS Worksheet: Practice Test

HTML and CSS lesson 20: CSS test · Set 855 · 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 empty space (px) is left after the last box?
   .row {
     display: flex;
     width: 230px;
     justify-content: flex-start;
   }
   Inside are 4 boxes, each 40px wide (no margins).
2. 2.🎯 Which CSS selector matches this element?
   <h1 class="star" id="top">Hello</h1> (a) h1 (b) .top (c) #intro (d) h2
3. 3.💪 How much empty space (px) is before the first box?
   .row {
     display: flex;
     width: 190px;
     justify-content: flex-end;
   }
   Inside are 3 boxes, each 60px wide (no margins).
4. 4.📱 Responsive design means a page ___. (a) fits every screen (b) has no pictures (c) never changes (d) is only for laptops
5. 5.🖌️ Where does the text sit on its line?
   p {
     background-color: black;
     text-align: left;
     font-size: 32px;
     color: purple;
   } (a) on the left (b) in the middle (c) on the right
6. 6.📱 The screen is 540px wide. What font-size (px) does the paragraph get?
   p {
     font-size: 20px;
   }
   @media (min-width: 768px) {
     p {
       font-size: 26px;
     }
   }
7. 7.📱 Which tag helps phones show a page at the right size? (a) the viewport meta tag (b) the br tag (c) the title tag (d) the hr tag
8. 8.⚖️ What colour is the text of this element?
   <h1 class="menu" id="main">Hi</h1>
   CSS:
   .menu { color: orange; }
   .menu { color: yellow; } (a) orange (b) purple (c) yellow (d) blue
9. 9.True or false: margin is the text or picture. (a) False (b) True
10. 10.True or false: .menu is an element selector. (a) True (b) False
11. 11.Which of these does HTML do? (a) makes a link (b) lays out the page (c) counts down a timer (d) adds space around boxes
12. 12.📱 max-width: 600px applies when the screen is ___. (a) 600px or wider (b) exactly 1000px (c) 600px or narrower (d) turned off
13. 13.🔍 Which is the odd one out? (a) reacts to a button click (b) changes the page live (c) shows a pop-up message (d) makes headings and lists
14. 14.⚖️ What colour is the text of this element?
    <h1 class="note" id="logo">Hi</h1>
    CSS:
    #logo { color: orange; }
    h1 { color: purple; } (a) green (b) black (c) orange (d) purple
15. 15.📱 The screen is 375px wide. What font-size (px) does the paragraph get?
    p {
      font-size: 24px;
    }
    @media (min-width: 600px) {
      p {
        font-size: 32px;
      }
    }
16. 16.🌈 How many pairs of hex digits are in a colour like #ff8800? (a) 6 (b) 2 (c) 3 (d) 4
17. 17.🧩 Which language puts a picture on a page? (a) CSS (b) HTML (c) JavaScript
18. 18.✍️ How many declarations (property: value pairs) are in this rule?
    p {
      font-weight: bold;
    }
19. 19.⚖️ What colour is the text of this element?
    <p class="menu" id="main">Hi</p>
    CSS:
    p { color: white; }
    #main { color: green; } (a) white (b) blue (c) purple (d) green
20. 20.⚖️ What colour is the text of this element?
    <h1 class="star" id="top">Hi</h1>
    CSS:
    .star { color: green; }
    .star { color: black; } (a) black (b) green (c) yellow (d) white
21. 21.⚖️ What colour is the text of this element?
    <h1 class="big" id="end">Hi</h1>
    CSS:
    .big { color: black; }
    .big { color: blue; } (a) purple (b) red (c) blue (d) black
22. 22.✍️ Which property is set to 300px in this rule?
    p {
      width: 300px;
      text-align: center;
      font-weight: bold;
    } (a) color (b) font-style (c) 300px (d) width
23. 23.📱 The screen is 375px wide. What font-size (px) does the paragraph get?
    p {
      font-size: 16px;
    }
    @media (min-width: 480px) {
      p {
        font-size: 24px;
      }
    }
24. 24.🖌️ Which CSS property picks the font style? (a) font-family (b) background-color (c) font-weight (d) color
25. 25.🎯 Which element does the selector #hero style? (a) <div class="hero"> (b) <div id="hero"> (c) <div id="top"> (d) <span class="big">
26. 26.⚖️ What colour is the text of this element?
    <p class="note" id="top">Hi</p>
    CSS:
    p { color: purple; }
    p { color: yellow; } (a) orange (b) yellow (c) purple (d) white
27. 27.🌈 In #230000 the red part is the hex number 23. What is it as a normal number?
28. 28.✍️ How many declarations (property: value pairs) are in this rule?
    li {
      font-style: italic;
      border: 2px solid;
      text-align: center;
      font-weight: bold;
    }
29. 29.🌈 Which hex code is black? (a) #00ff00 (b) #000000 (c) #00ffff (d) #0000ff
30. 30.⚖️ Which selector is the strongest? (a) an id selector (b) an element selector (c) a class selector
31. 31.⚖️ Two rules with the same selector set a colour. Which one wins? (a) neither (b) the first one (c) the shorter one (d) the later one
32. 32.📦 In the box model, which part is space outside the border? (a) border (b) padding (c) margin (d) content
33. 33.🎯 What kind of selector is li? (a) an id selector (b) a class selector (c) an element selector
34. 34.True or false: margin is the gap round content. (a) True (b) False
35. 35.✍️ What value is given to font-weight in this rule?
    li {
      font-weight: bold;
      text-align: center;
      padding: 8px;
      background-color: yellow;
    } (a) 2px solid (b) 300px (c) bold (d) font-weight
36. 36.🎯 Can many elements share the same class? (a) No (b) Yes
37. 37.🌈 Which colour is #0000ff? (a) blue (b) red (c) magenta (d) bright green
38. 38.📦 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: 25px;
      border: 3px solid black;
      margin: 20px;
    }
39. 39.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 300px;
      justify-content: center;
    }
    Inside are 3 boxes, each 60px wide (no margins).
40. 40.What does font-weight do? (a) centres a heading (b) picks the font style (c) makes the text bold (d) makes letters bigger

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