CSS Worksheet: Practice Test

HTML and CSS lesson 20: CSS test · Set 304 · 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.⚖️ Two rules with the same selector set a colour. Which one wins? (a) the shorter one (b) neither (c) the first one (d) the later one
2. 2.📦 How wide (px) is this box from the outer edge of its left border to the outer edge of its right border?
   .box {
     width: 70px;
     padding: 25px;
     border: 3px solid black;
     margin: 20px;
   }
3. 3.🌈 Which colour is #00ffff? (a) cyan (b) red (c) black (d) magenta
4. 4.What does font-size do? (a) makes the text bold (b) makes letters bigger (c) picks the font style (d) sets the letter colour
5. 5.🌈 In #rrggbb, which colour do the last two digits give? (a) white (b) red (c) blue (d) green
6. 6.📱 The screen is 414px wide. What font-size (px) does the paragraph get?
   p {
     font-size: 24px;
   }
   @media (min-width: 768px) {
     p {
       font-size: 28px;
     }
   }
7. 7.✍️ In color: blue; which part is the value? (a) ; (b) blue (c) color (d) :
8. 8.⚖️ Which selector is the weakest? (a) a class selector (b) an id selector (c) an element selector
9. 9.True or false: li is a class selector. (a) False (b) True
10. 10.📱 The screen is 540px wide. Does the rule inside @media apply?
    p {
      font-size: 16px;
    }
    @media (max-width: 600px) {
      p {
        font-size: 10px;
      }
    } (a) No (b) Yes
11. 11.🎯 Which element does the selector h2 style? (a) <li> (b) <span id="logo"> (c) <div class="menu"> (d) <h2 class="menu">
12. 12.✍️ CSS declarations go inside which brackets? (a) ( ) (b) [ ] (c) { } (d) < >
13. 13.🌈 How many pairs of hex digits are in a colour like #ff8800? (a) 4 (b) 3 (c) 6 (d) 2
14. 14.🎯 What kind of selector is .star? (a) an element selector (b) a class selector (c) an id selector
15. 15.🌈 In #7b0000 the red part is the hex number 7b. What is it as a normal number?
16. 16.✍️ What value is given to font-weight in this rule?
    .note {
      font-weight: bold;
      border: 2px solid;
    } (a) bold (b) font-weight (c) 2px solid (d) 300px
17. 17.📱 The screen is 375px wide. What font-size (px) does the paragraph get?
    p {
      font-size: 24px;
    }
    @media (max-width: 480px) {
      p {
        font-size: 18px;
      }
    }
18. 18.📱 The screen is 700px wide. Does the rule inside @media apply?
    p {
      font-size: 16px;
    }
    @media (min-width: 480px) {
      p {
        font-size: 24px;
      }
    } (a) No (b) Yes
19. 19.What does text-align do? (a) makes letters bigger (b) centres a heading (c) sets the letter colour (d) colours behind the text
20. 20.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 190px;
      justify-content: flex-end;
    }
    Inside are 3 boxes, each 50px wide (no margins).
21. 21.⚖️ What colour is the text of this element?
    <p class="big" id="main">Hi</p>
    CSS:
    #main { color: red; }
    #main { color: yellow; } (a) red (b) white (c) yellow (d) green
22. 22.🖌️ Where does the text sit on its line?
    h1 {
      background-color: blue;
      font-size: 12px;
      text-align: right;
      color: black;
    } (a) on the left (b) on the right (c) in the middle
23. 23.📦 How much space across (px) does this box take in all, margin included?
    .box {
      width: 180px;
      padding: 10px;
      border: 2px solid black;
      margin: 10px;
    }
24. 24.🌈 Which hex code is cyan? (a) #0000ff (b) #ffffff (c) #00ffff (d) #00ff00
25. 25.🖌️ Which CSS property colours behind the text? (a) font-size (b) text-align (c) color (d) background-color
26. 26.💪 How wide (px) is each gap between two boxes?
    .row {
      display: flex;
      width: 410px;
      justify-content: space-between;
    }
    Inside are 4 boxes, each 50px wide (no margins).
27. 27.True or false: CSS rounds box corners. (a) False (b) True
28. 28.✍️ Which property is set to 8px in this rule?
    #top {
      padding: 8px;
      border: 2px solid;
    } (a) 8px (b) padding (c) border (d) font-weight
29. 29.💪 Which flexbox property sets space between boxes? (a) gap (b) display: flex (c) flex-direction (d) justify-content
30. 30.True or false: h1 is an id selector. (a) True (b) False
31. 31.🎯 Which CSS selector matches this element?
    <span class="note" id="main">Hello</span> (a) p (b) .note (c) .main (d) #logo
32. 32.🔍 Which is the odd one out? (a) gives the page structure (b) makes headings and lists (c) checks a quiz answer (d) makes a link
33. 33.📱 Which tag helps phones show a page at the right size? (a) the viewport meta tag (b) the title tag (c) the hr tag (d) the br tag
34. 34.✍️ Which property is set to center in this rule?
    body {
      text-align: center;
      color: red;
      font-size: 20px;
    } (a) margin (b) center (c) background-color (d) text-align
35. 35.✍️ In color: blue; which part is the property? (a) ; (b) : (c) color (d) blue
36. 36.⚖️ What colour is the text of this element?
    <h1 class="red" id="logo">Hi</h1>
    CSS:
    h1 { color: orange; }
    h1 { color: black; } (a) black (b) orange (c) green (d) purple
37. 37.What does justify-content: flex-end 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
38. 38.🖌️ Where does the text sit on its line?
    h2 {
      font-size: 40px;
      text-align: left;
      background-color: red;
      color: orange;
    } (a) in the middle (b) on the right (c) on the left
39. 39.📱 The screen is 540px wide. What font-size (px) does the paragraph get?
    p {
      font-size: 24px;
    }
    @media (max-width: 480px) {
      p {
        font-size: 22px;
      }
    }
40. 40.🔍 Which is the odd one out? (a) counts down a timer (b) changes the text size (c) adds space around boxes (d) rounds box corners

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