CSS Worksheet: Practice Test

HTML and CSS lesson 20: CSS test · Set 191 · 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 wide (px) is each gap between two boxes?
   .row {
     display: flex;
     width: 490px;
     justify-content: space-between;
   }
   Inside are 4 boxes, each 100px wide (no margins).
2. 2.💪 How much empty space (px) is left after the last box?
   .row {
     display: flex;
     width: 250px;
     justify-content: flex-start;
   }
   Inside are 4 boxes, each 50px wide (no margins).
3. 3.🎯 Which sign starts an id selector? (a) @ (b) . (c) # (d) &
4. 4.🖌️ How big is the text, in px?
   h2 {
     text-align: left;
     background-color: blue;
     font-size: 20px;
     color: purple;
   }
5. 5.⚖️ What colour is the text of this element?
   <p class="box" id="top">Hi</p>
   CSS:
   p { color: white; }
   p { color: blue; } (a) blue (b) orange (c) black (d) white
6. 6.🎯 Which CSS selector matches this element?
   <p class="box" id="intro">Hello</p> (a) #box (b) .star (c) .intro (d) p
7. 7.✍️ Which property is set to italic in this rule?
   body {
     margin: 10px;
     font-style: italic;
   } (a) italic (b) font-size (c) font-style (d) color
8. 8.✍️ Which sign goes between a property and its value? (a) = (b) ; (c) - (d) :
9. 9.🖌️ Which CSS property picks the font style? (a) background-color (b) color (c) font-family (d) font-size
10. 10.🔍 Which is the odd one out? (a) lays out the page (b) gives the page structure (c) puts a picture on a page (d) makes a form box
11. 11.🎯 What kind of selector is #main? (a) an id selector (b) a class selector (c) an element selector
12. 12.💪 Which justify-content value packs boxes at the end? (a) space-between (b) center (c) flex-start (d) flex-end
13. 13.🌈 What is the biggest number one colour can have in rgb()? (a) 100 (b) 1000 (c) 99 (d) 255
14. 14.🖌️ What colour is behind the letters?
    h1 {
      color: orange;
      text-align: center;
      background-color: purple;
      font-size: 32px;
    } (a) purple (b) orange (c) red
15. 15.🌈 Which colour is #0000ff? (a) blue (b) bright green (c) white (d) red
16. 16.📱 Responsive design means a page ___. (a) has no pictures (b) is only for laptops (c) never changes (d) fits every screen
17. 17.✍️ Which sign ends each CSS declaration? (a) : (b) . (c) ; (d) ,
18. 18.What does background-color do? (a) makes the text bold (b) makes letters bigger (c) sets the letter colour (d) colours behind the text
19. 19.📦 How much space across (px) does this box take in all, margin included?
    .box {
      width: 120px;
      padding: 30px;
      border: 2px solid black;
      margin: 5px;
    }
20. 20.📱 The screen is 375px wide. What font-size (px) does the paragraph get?
    p {
      font-size: 20px;
    }
    @media (max-width: 600px) {
      p {
        font-size: 16px;
      }
    }
21. 21.🌈 Which colour is #000000? (a) cyan (b) magenta (c) black (d) red
22. 22.✍️ In color: blue; which part is the value? (a) color (b) : (c) ; (d) blue
23. 23.🎯 Which CSS selector matches this element?
    <p class="big" id="main">Hello</p> (a) #main (b) #logo (c) .main (d) #big
24. 24.True or false: CSS changes the text size. (a) False (b) True
25. 25.🧩 Which language makes a form box? (a) JavaScript (b) HTML (c) CSS
26. 26.🧩 Which language makes a link? (a) JavaScript (b) CSS (c) HTML
27. 27.⚖️ Which selector is the weakest? (a) a class selector (b) an id selector (c) an element selector
28. 28.📱 The screen is 375px wide. Does the rule inside @media apply?
    p {
      font-size: 24px;
    }
    @media (min-width: 1024px) {
      p {
        font-size: 26px;
      }
    } (a) Yes (b) No
29. 29.Which of these is padding? (a) a solid or dotted edge (b) space inside the border (c) the text or picture (d) space outside the border
30. 30.True or false: .note is a class selector. (a) False (b) True
31. 31.📦 How much space across (px) does this box take in all, margin included?
    .box {
      width: 280px;
      padding: 15px;
      border: 2px solid black;
      margin: 10px;
    }
32. 32.✍️ What is the selector in this CSS rule?
    li {
      padding: 8px;
      color: red;
      font-weight: bold;
    } (a) body (b) padding (c) li (d) red
33. 33.✍️ How many declarations (property: value pairs) are in this rule?
    body {
      font-style: italic;
    }
34. 34.✍️ Which property is set to 20px in this rule?
    body {
      font-weight: bold;
      font-size: 20px;
      border: 2px solid;
    } (a) font-size (b) text-align (c) 20px (d) background-color
35. 35.✍️ What value is given to text-align in this rule?
    p {
      padding: 8px;
      text-align: center;
      font-size: 20px;
    } (a) center (b) yellow (c) text-align (d) 10px
36. 36.🖌️ Where does the text sit on its line?
    li {
      text-align: left;
      background-color: green;
      font-size: 36px;
      color: yellow;
    } (a) on the right (b) in the middle (c) on the left
37. 37.📦 How much space top to bottom (px) does this box take in all, margin included?
    .box {
      height: 120px;
      padding: 5px;
      border: 2px solid black;
      margin: 5px;
    }
38. 38.📦 In the box model, which part is space inside the border? (a) margin (b) padding (c) content (d) border
39. 39.🖌️ What colour is behind the letters?
    h2 {
      text-align: right;
      font-size: 20px;
      color: blue;
      background-color: green;
    } (a) yellow (b) blue (c) green
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: 25px;
      border: 1px solid black;
      margin: 15px;
    }

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