CSS Worksheet: Practice Test

HTML and CSS lesson 20: CSS test · Set 375 · 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 many declarations (property: value pairs) are in this rule?
   body {
     font-size: 20px;
   }
2. 2.🌈 Which hex code is blue? (a) #0000ff (b) #ffff00 (c) #000000 (d) #00ff00
3. 3.🎨 A CSS file usually ends with which extension? (a) .png (b) .css (c) .html (d) .js
4. 4.True or false: .star is an id selector. (a) False (b) True
5. 5.📱 The screen is 320px wide. What font-size (px) does the paragraph get?
   p {
     font-size: 12px;
   }
   @media (min-width: 600px) {
     p {
       font-size: 18px;
     }
   }
6. 6.🌈 Which colour is rgb(0, 255, 0)? (a) magenta (b) bright green (c) white (d) blue
7. 7.🎯 Can many elements share the same class? (a) No (b) Yes
8. 8.📱 The screen is 1366px wide. What font-size (px) does the paragraph get?
   p {
     font-size: 16px;
   }
   @media (min-width: 480px) {
     p {
       font-size: 18px;
     }
   }
9. 9.💪 How much empty space (px) is left after the last box?
   .row {
     display: flex;
     width: 170px;
     justify-content: flex-start;
   }
   Inside are 2 boxes, each 80px wide (no margins).
10. 10.🌈 Which hex code is yellow? (a) #ffffff (b) #ffff00 (c) #00ffff (d) #0000ff
11. 11.🧩 Which language checks a quiz answer? (a) JavaScript (b) CSS (c) HTML
12. 12.🎯 What kind of selector is .star? (a) a class selector (b) an id selector (c) an element selector
13. 13.🎯 How many elements on a page should have the same id? (a) any number (b) 1 (c) 2 (d) 5
14. 14.⚖️ What colour is the text of this element?
    <p class="note" id="intro">Hi</p>
    CSS:
    #intro { color: purple; }
    .note { color: red; }
    p { color: white; } (a) orange (b) red (c) purple (d) white
15. 15.🎯 Which sign starts a class selector? (a) # (b) . (c) @ (d) &
16. 16.What does justify-content: center do? (a) packs boxes at the start (b) packs boxes at the end (c) puts boxes in the middle (d) equal gaps, none at ends
17. 17.🖌️ How big is the text, in px?
    li {
      color: yellow;
      text-align: right;
      font-size: 16px;
      background-color: green;
    }
18. 18.💪 Which flexbox property sets space between boxes? (a) justify-content (b) display: flex (c) align-items (d) gap
19. 19.📦 How much space top to bottom (px) does this box take in all, margin included?
    .box {
      height: 110px;
      padding: 30px;
      border: 1px solid black;
      margin: 5px;
    }
20. 20.🎯 What kind of selector is .card? (a) a class selector (b) an element selector (c) an id selector
21. 21.🌈 Which colour is rgb(255, 0, 0)? (a) yellow (b) cyan (c) red (d) blue
22. 22.🎯 Which CSS selector matches this element?
    <p class="star" id="intro">Hello</p> (a) h1 (b) p (c) .intro (d) .menu
23. 23.✍️ What value is given to color in this rule?
    h1 {
      margin: 10px;
      font-size: 20px;
      font-style: italic;
      color: red;
    } (a) color (b) red (c) center (d) 20px
24. 24.✍️ What value is given to font-size in this rule?
    .box {
      font-size: 20px;
      text-align: center;
      padding: 8px;
    } (a) center (b) yellow (c) 20px (d) font-size
25. 25.📦 In the box model, which part is a solid or dotted edge? (a) margin (b) content (c) border (d) padding
26. 26.🎯 Which CSS selector matches this element?
    <h2 class="star" id="intro">Hello</h2> (a) #star (b) .intro (c) .menu (d) .star
27. 27.🔍 Which is the odd one out? (a) makes headings and lists (b) makes a link (c) gives the page structure (d) rounds box corners
28. 28.📱 What does a media query check? (a) the page title (b) the battery level (c) the screen width (d) the time of day
29. 29.🌈 Which colour of light is strongest in rgb(214, 33, 110)? (a) green (b) red (c) blue
30. 30.🖌️ Which CSS property sets the letter colour? (a) font-weight (b) color (c) font-size (d) text-align
31. 31.📱 The screen is 1366px wide. Does the rule inside @media apply?
    p {
      font-size: 16px;
    }
    @media (max-width: 480px) {
      p {
        font-size: 10px;
      }
    } (a) Yes (b) No
32. 32.✍️ What is the selector in this CSS rule?
    li {
      font-size: 20px;
      font-weight: bold;
    } (a) body (b) bold (c) li (d) font-size
33. 33.🌈 Which colour of light is strongest in rgb(36, 236, 114)? (a) green (b) blue (c) red
34. 34.🌈 Which colour is rgb(255, 255, 255)? (a) red (b) white (c) cyan (d) blue
35. 35.⚖️ What colour is the text of this element?
    <h1 class="note" id="top">Hi</h1>
    CSS:
    #top { color: white; }
    #top { color: purple; } (a) purple (b) white (c) black (d) yellow
36. 36.✍️ What is the selector in this CSS rule?
    li {
      font-size: 20px;
      width: 300px;
      font-style: italic;
      margin: 10px;
    } (a) body (b) li (c) font-size (d) 300px
37. 37.✍️ Which property is set to red in this rule?
    h1 {
      width: 300px;
      font-size: 20px;
      color: red;
    } (a) font-size (b) text-align (c) red (d) color
38. 38.✍️ What is the selector in this CSS rule?
    body {
      font-style: italic;
      background-color: yellow;
      width: 300px;
    } (a) .box (b) font-style (c) body (d) yellow
39. 39.🔍 Which is the odd one out? (a) makes a form box (b) puts a picture on a page (c) counts down a timer (d) makes a link
40. 40.🖌️ Where does the text sit on its line?
    li {
      font-size: 16px;
      background-color: black;
      color: orange;
      text-align: left;
    } (a) in the middle (b) on the right (c) on the left

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