CSS Worksheet: Practice Test

HTML and CSS lesson 20: CSS test · Set 321 · 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 big is the text, in px?
   li {
     font-size: 32px;
     background-color: red;
     color: blue;
     text-align: left;
   }
2. 2.What does justify-content: flex-start do? (a) packs boxes at the end (b) equal gaps, none at ends (c) packs boxes at the start (d) puts boxes in the middle
3. 3.✍️ CSS declarations go inside which brackets? (a) ( ) (b) { } (c) < > (d) [ ]
4. 4.⚖️ What colour is the text of this element?
   <p class="big" id="top">Hi</p>
   CSS:
   .big { color: white; }
   .big { color: blue; } (a) red (b) white (c) black (d) blue
5. 5.⚖️ Which selector is the weakest? (a) a class selector (b) an id selector (c) an element selector
6. 6.🎨 Which attribute adds CSS inside one tag? (a) alt (b) href (c) src (d) style
7. 7.📱 The screen is 1366px wide. Does the rule inside @media apply?
   p {
     font-size: 24px;
   }
   @media (max-width: 600px) {
     p {
       font-size: 22px;
     }
   } (a) No (b) Yes
8. 8.What does font-family do? (a) makes the text bold (b) centres a heading (c) makes letters bigger (d) picks the font style
9. 9.💪 How much empty space (px) is before the first box?
   .row {
     display: flex;
     width: 160px;
     justify-content: flex-end;
   }
   Inside are 3 boxes, each 50px wide (no margins).
10. 10.Which of these does JavaScript do? (a) checks a quiz answer (b) adds space around boxes (c) makes a form box (d) makes a link
11. 11.⚖️ What colour is the text of this element?
    <h2 class="menu" id="intro">Hi</h2>
    CSS:
    h2 { color: white; }
    h2 { color: purple; } (a) white (b) yellow (c) red (d) purple
12. 12.True or false: the content is space outside the border. (a) False (b) True
13. 13.🎯 What kind of selector is #hero? (a) an element selector (b) an id selector (c) a class selector
14. 14.📱 The screen is 375px wide. Does the rule inside @media apply?
    p {
      font-size: 24px;
    }
    @media (max-width: 1024px) {
      p {
        font-size: 18px;
      }
    } (a) Yes (b) No
15. 15.🖌️ Where does the text sit on its line?
    h1 {
      text-align: right;
      color: red;
      background-color: green;
      font-size: 24px;
    } (a) on the left (b) in the middle (c) on the right
16. 16.✍️ Which property is set to 20px in this rule?
    p {
      width: 300px;
      font-size: 20px;
      font-style: italic;
    } (a) 20px (b) background-color (c) font-size (d) text-align
17. 17.🌈 In #0000cc the blue part is the hex number cc. What is it as a normal number?
18. 18.⚖️ What colour is the text of this element?
    <h1 class="big" id="main">Hi</h1>
    CSS:
    #main { color: orange; }
    .big { color: purple; }
    h1 { color: green; } (a) red (b) orange (c) green (d) purple
19. 19.📱 Which tag helps phones show a page at the right size? (a) the br tag (b) the title tag (c) the viewport meta tag (d) the hr tag
20. 20.🌈 Which colour is rgb(255, 255, 0)? (a) magenta (b) yellow (c) cyan (d) bright green
21. 21.✍️ How does a CSS comment start? (a) <!-- (b) // (c) # (d) /*
22. 22.⚖️ What colour is the text of this element?
    <p class="box" id="main">Hi</p>
    CSS:
    p { color: white; }
    #main { color: purple; }
    .box { color: blue; } (a) white (b) green (c) blue (d) purple
23. 23.✍️ Which property is set to 20px in this rule?
    li {
      font-size: 20px;
      background-color: yellow;
      color: red;
      width: 300px;
    } (a) text-align (b) 20px (c) font-size (d) background-color
24. 24.🎯 Which CSS selector matches this element?
    <li class="big" id="end">Hello</li> (a) li (b) #hero (c) #big (d) div
25. 25.🌈 Which colour of light is strongest in rgb(196, 51, 63)? (a) red (b) green (c) blue
26. 26.🌈 Which colour of light is strongest in rgb(116, 202, 0)? (a) red (b) green (c) blue
27. 27.True or false: .big is an id selector. (a) False (b) True
28. 28.🔍 Which is the odd one out? (a) makes a link (b) puts a picture on a page (c) makes headings and lists (d) shows a pop-up message
29. 29.💪 Which justify-content value packs boxes at the end? (a) center (b) space-between (c) flex-start (d) flex-end
30. 30.🧩 Which language adds space around boxes? (a) JavaScript (b) CSS (c) HTML
31. 31.What does text-align do? (a) makes the text bold (b) sets the letter colour (c) centres a heading (d) picks the font style
32. 32.💪 Which flexbox property lines boxes up across? (a) justify-content (b) align-items (c) display: flex (d) flex-direction
33. 33.True or false: #end is an id selector. (a) False (b) True
34. 34.✍️ What value is given to background-color in this rule?
    h1 {
      margin: 10px;
      background-color: yellow;
    } (a) background-color (b) 10px (c) 8px (d) yellow
35. 35.✍️ What value is given to color in this rule?
    li {
      margin: 10px;
      background-color: yellow;
      text-align: center;
      color: red;
    } (a) 20px (b) red (c) center (d) color
36. 36.✍️ How many declarations (property: value pairs) are in this rule?
    body {
      text-align: center;
      color: red;
    }
37. 37.What does color do? (a) makes letters bigger (b) sets the letter colour (c) colours behind the text (d) centres a heading
38. 38.🌈 Which colour is #ff0000? (a) cyan (b) magenta (c) red (d) white
39. 39.📦 How much space top to bottom (px) does this box take in all, margin included?
    .box {
      height: 40px;
      padding: 25px;
      border: 2px solid black;
      margin: 5px;
    }
40. 40.⚖️ What colour is the text of this element?
    <h1 class="big" id="hero">Hi</h1>
    CSS:
    .big { color: green; }
    .big { color: red; } (a) red (b) orange (c) green (d) yellow

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