CSS Worksheet: Practice Test

HTML and CSS lesson 20: CSS test · Set 726 · 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.🎯 Which CSS selector matches this element?
   <span class="box" id="hero">Hello</span> (a) .hero (b) .star (c) span (d) #box
2. 2.🔍 Which is the odd one out? (a) checks a quiz answer (b) reacts to a button click (c) shows a pop-up message (d) changes the text size
3. 3.💪 How much empty space (px) is before the first box?
   .row {
     display: flex;
     width: 240px;
     justify-content: center;
   }
   Inside are 2 boxes, each 60px wide (no margins).
4. 4.✍️ CSS declarations go inside which brackets? (a) ( ) (b) < > (c) { } (d) [ ]
5. 5.True or false: .menu is an id selector. (a) False (b) True
6. 6.🌈 Which colour is #00ff00? (a) yellow (b) red (c) magenta (d) bright green
7. 7.💪 Which justify-content value packs boxes at the start? (a) space-between (b) center (c) flex-start (d) flex-end
8. 8.True or false: CSS makes a link. (a) False (b) True
9. 9.True or false: the content is the gap round content. (a) False (b) True
10. 10.What does font-family do? (a) makes the text bold (b) picks the font style (c) centres a heading (d) colours behind the text
11. 11.✍️ Which property is set to 10px in this rule?
    .box {
      margin: 10px;
      width: 300px;
    } (a) font-weight (b) margin (c) padding (d) 10px
12. 12.🎯 Which sign starts a class selector? (a) . (b) & (c) @ (d) #
13. 13.💪 Which justify-content value puts boxes in the middle? (a) space-between (b) flex-start (c) center (d) flex-end
14. 14.✍️ What value is given to border in this rule?
    body {
      font-weight: bold;
      font-style: italic;
      border: 2px solid;
      width: 300px;
    } (a) 300px (b) border (c) italic (d) 2px solid
15. 15.💪 Which justify-content value equal gaps, none at ends? (a) center (b) flex-end (c) space-between (d) flex-start
16. 16.💪 How wide (px) is each gap between two boxes?
    .row {
      display: flex;
      width: 220px;
      justify-content: space-between;
    }
    Inside are 3 boxes, each 60px wide (no margins).
17. 17.📦 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: 5px;
      border: 1px solid black;
      margin: 0px;
    }
18. 18.🌈 Which hex code is red? (a) #ffff00 (b) #000000 (c) #ff0000 (d) #0000ff
19. 19.📦 In the box model, which part is a solid or dotted edge? (a) content (b) margin (c) border (d) padding
20. 20.💪 How much empty space (px) is left after the last box?
    .row {
      display: flex;
      width: 220px;
      justify-content: flex-start;
    }
    Inside are 4 boxes, each 40px wide (no margins).
21. 21.🎯 What kind of selector is img? (a) an id selector (b) a class selector (c) an element selector
22. 22.📱 Which tag helps phones show a page at the right size? (a) the viewport meta tag (b) the br tag (c) the hr tag (d) the title tag
23. 23.⚖️ What colour is the text of this element?
    <p class="star" id="hero">Hi</p>
    CSS:
    p { color: purple; }
    p { color: red; } (a) orange (b) red (c) green (d) purple
24. 24.🌈 Which colour of light is strongest in rgb(180, 54, 14)? (a) blue (b) green (c) red
25. 25.📦 How much space across (px) does this box take in all, margin included?
    .box {
      width: 280px;
      padding: 30px;
      border: 2px solid black;
      margin: 15px;
    }
26. 26.💪 How wide (px) is each gap between two boxes?
    .row {
      display: flex;
      width: 270px;
      justify-content: space-between;
    }
    Inside are 2 boxes, each 100px wide (no margins).
27. 27.True or false: body is an id selector. (a) True (b) False
28. 28.✍️ What is the selector in this CSS rule?
    body {
      border: 2px solid;
      font-size: 20px;
      margin: 10px;
    } (a) border (b) body (c) 20px (d) .box
29. 29.🧩 Which language gives the page structure? (a) CSS (b) HTML (c) JavaScript
30. 30.🖌️ How big is the text, in px?
    p {
      background-color: red;
      color: white;
      text-align: right;
      font-size: 28px;
    }
31. 31.🖌️ Which CSS property makes the text bold? (a) color (b) font-weight (c) background-color (d) font-size
32. 32.📱 The screen is 1100px wide. What font-size (px) does the paragraph get?
    p {
      font-size: 20px;
    }
    @media (max-width: 480px) {
      p {
        font-size: 18px;
      }
    }
33. 33.🌈 Which colour is #ff0000? (a) red (b) yellow (c) black (d) white
34. 34.🖌️ Which CSS property sets the letter colour? (a) font-family (b) font-size (c) font-weight (d) color
35. 35.What does background-color do? (a) makes letters bigger (b) picks the font style (c) makes the text bold (d) colours behind the text
36. 36.🖌️ How big is the text, in px?
    p {
      background-color: orange;
      font-size: 40px;
      color: yellow;
      text-align: center;
    }
37. 37.🌈 Which colour of light is strongest in rgb(16, 114, 242)? (a) green (b) blue (c) red
38. 38.⚖️ Which selector is the weakest? (a) an id selector (b) an element selector (c) a class selector
39. 39.🖌️ What colour are the letters?
    p {
      text-align: center;
      color: green;
      background-color: red;
      font-size: 28px;
    } (a) red (b) green (c) blue
40. 40.✍️ How many declarations (property: value pairs) are in this rule?
    .box {
      font-size: 20px;
      color: red;
      padding: 8px;
      text-align: center;
    }

Free html and css lessons, practice and worksheets at talentjr.in/html-css-for-kids