CSS Worksheet: Practice Test

HTML and CSS lesson 20: CSS test · Set 329 · 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.📱 max-width: 600px applies when the screen is ___. (a) 600px or narrower (b) exactly 1000px (c) turned off (d) 600px or wider
2. 2.🎨 One CSS file can style how many pages? (a) only one word (b) no pages (c) only one image (d) many pages
3. 3.⚖️ Two rules with the same selector set a colour. Which one wins? (a) the first one (b) the later one (c) the shorter one (d) neither
4. 4.✍️ Which sign ends each CSS declaration? (a) ; (b) : (c) . (d) ,
5. 5.📦 How much space across (px) does this box take in all, margin included?
   .box {
     width: 150px;
     padding: 20px;
     border: 1px solid black;
     margin: 0px;
   }
6. 6.True or false: HTML adds space around boxes. (a) True (b) False
7. 7.✍️ CSS declarations go inside which brackets? (a) { } (b) [ ] (c) < > (d) ( )
8. 8.🌈 Which colour is rgb(0, 255, 255)? (a) bright green (b) cyan (c) red (d) yellow
9. 9.✍️ Which property is set to center in this rule?
   .box {
     color: red;
     text-align: center;
   } (a) center (b) margin (c) background-color (d) text-align
10. 10.📦 How much space top to bottom (px) does this box take in all, margin included?
    .box {
      height: 200px;
      padding: 15px;
      border: 2px solid black;
      margin: 15px;
    }
11. 11.🖌️ How big is the text, in px?
    li {
      text-align: right;
      background-color: purple;
      font-size: 16px;
      color: black;
    }
12. 12.💪 How much empty space (px) is left after the last box?
    .row {
      display: flex;
      width: 130px;
      justify-content: flex-start;
    }
    Inside are 2 boxes, each 40px wide (no margins).
13. 13.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 300px;
      justify-content: center;
    }
    Inside are 2 boxes, each 100px wide (no margins).
14. 14.What does justify-content: flex-start do? (a) packs boxes at the end (b) puts boxes in the middle (c) packs boxes at the start (d) equal gaps, none at ends
15. 15.⚖️ What colour is the text of this element?
    <h2 class="note" id="hero">Hi</h2>
    CSS:
    #hero { color: orange; }
    h2 { color: purple; } (a) purple (b) green (c) blue (d) orange
16. 16.True or false: img is a class selector. (a) False (b) True
17. 17.🌈 In #b00000 the red part is the hex number b0. What is it as a normal number?
18. 18.🖌️ How big is the text, in px?
    h2 {
      font-size: 12px;
      background-color: blue;
      color: yellow;
      text-align: left;
    }
19. 19.True or false: the content is the line round the box. (a) False (b) True
20. 20.🌈 Which colour is rgb(0, 0, 255)? (a) black (b) red (c) blue (d) white
21. 21.🌈 Hex digits go 0 to 9, then A to which letter? (a) Z (b) F (c) J (d) G
22. 22.🌈 Which colour of light is strongest in rgb(132, 21, 219)? (a) red (b) green (c) blue
23. 23.🌈 What is the biggest number one colour can have in rgb()? (a) 100 (b) 1000 (c) 99 (d) 255
24. 24.⚖️ Which selector is the weakest? (a) an id selector (b) a class selector (c) an element selector
25. 25.⚖️ Which selector is the strongest? (a) an id selector (b) an element selector (c) a class selector
26. 26.✍️ What is the selector in this CSS rule?
    h1 {
      color: red;
      background-color: yellow;
    } (a) yellow (b) color (c) h1 (d) p
27. 27.🧩 Which language adds space around boxes? (a) JavaScript (b) HTML (c) CSS
28. 28.🌈 Which hex code is magenta? (a) #ffff00 (b) #00ff00 (c) #ff00ff (d) #000000
29. 29.True or false: JavaScript changes the text size. (a) True (b) False
30. 30.📦 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: 10px;
      border: 1px solid black;
      margin: 0px;
    }
31. 31.What does background-color do? (a) makes the text bold (b) makes letters bigger (c) picks the font style (d) colours behind the text
32. 32.🖌️ Which CSS property sets the letter colour? (a) font-weight (b) font-family (c) text-align (d) color
33. 33.🖌️ Where does the text sit on its line?
    p {
      text-align: center;
      font-size: 12px;
      background-color: purple;
      color: white;
    } (a) on the left (b) in the middle (c) on the right
34. 34.✍️ What value is given to padding in this rule?
    h2 {
      padding: 8px;
      width: 300px;
    } (a) bold (b) 8px (c) 2px solid (d) padding
35. 35.🌈 Which colour is #ffff00? (a) bright green (b) blue (c) yellow (d) red
36. 36.🌈 In #00b300 the green part is the hex number b3. What is it as a normal number?
37. 37.✍️ What is the selector in this CSS rule?
    .note {
      font-size: 20px;
      background-color: yellow;
      text-align: center;
      font-style: italic;
    } (a) font-size (b) #top (c) yellow (d) .note
38. 38.⚖️ What colour is the text of this element?
    <p class="box" id="logo">Hi</p>
    CSS:
    p { color: green; }
    #logo { color: blue; }
    .box { color: black; } (a) black (b) green (c) blue (d) orange
39. 39.📱 What does a media query check? (a) the time of day (b) the screen width (c) the battery level (d) the page title
40. 40.📱 The screen is 700px wide. Does the rule inside @media apply?
    p {
      font-size: 16px;
    }
    @media (min-width: 768px) {
      p {
        font-size: 18px;
      }
    } (a) No (b) Yes

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