CSS Worksheet: Practice Test

HTML and CSS lesson 20: CSS test · Set 436 · 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 elements on a page should have the same id? (a) 1 (b) any number (c) 2 (d) 5
2. 2.⚖️ What colour is the text of this element?
   <h2 class="menu" id="intro">Hi</h2>
   CSS:
   h2 { color: white; }
   #intro { color: orange; } (a) blue (b) orange (c) purple (d) white
3. 3.✍️ Which property is set to 20px in this rule?
   p {
     text-align: center;
     font-size: 20px;
   } (a) background-color (b) font-size (c) text-align (d) 20px
4. 4.Which of these does CSS do? (a) reacts to a button click (b) puts a picture on a page (c) makes a form box (d) changes the text size
5. 5.📱 max-width: 600px applies when the screen is ___. (a) 600px or wider (b) exactly 1000px (c) turned off (d) 600px or narrower
6. 6.💪 How wide (px) is each gap between two boxes?
   .row {
     display: flex;
     width: 220px;
     justify-content: space-between;
   }
   Inside are 4 boxes, each 40px wide (no margins).
7. 7.🔍 Which is the odd one out? (a) changes the page live (b) shows a pop-up message (c) gives the page structure (d) counts down a timer
8. 8.🌈 In #2c0000 the red part is the hex number 2c. What is it as a normal number?
9. 9.📱 The screen is 1100px wide. Does the rule inside @media apply?
   p {
     font-size: 12px;
   }
   @media (max-width: 600px) {
     p {
       font-size: 10px;
     }
   } (a) Yes (b) No
10. 10.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 280px;
      justify-content: flex-end;
    }
    Inside are 4 boxes, each 50px wide (no margins).
11. 11.🌈 In #rrggbb, which colour do the first two digits give? (a) red (b) black (c) blue (d) green
12. 12.🎯 Which CSS selector matches this element?
    <h1 class="big" id="intro">Hello</h1> (a) #big (b) h2 (c) h1 (d) #main
13. 13.🎯 Which CSS selector matches this element?
    <h1 class="big" id="end">Hello</h1> (a) h2 (b) .red (c) h1 (d) #hero
14. 14.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 200px;
      justify-content: flex-end;
    }
    Inside are 4 boxes, each 40px wide (no margins).
15. 15.✍️ In color: blue; which part is the value? (a) color (b) : (c) blue (d) ;
16. 16.📦 How much space across (px) does this box take in all, margin included?
    .box {
      width: 200px;
      padding: 15px;
      border: 1px solid black;
      margin: 15px;
    }
17. 17.🔍 Which is the odd one out? (a) makes headings and lists (b) puts a picture on a page (c) makes a link (d) checks a quiz answer
18. 18.🌈 In #rrggbb, which colour do the last two digits give? (a) red (b) blue (c) green (d) white
19. 19.📱 The screen is 375px wide. What font-size (px) does the paragraph get?
    p {
      font-size: 24px;
    }
    @media (max-width: 1024px) {
      p {
        font-size: 22px;
      }
    }
20. 20.🧩 Which language lays out the page? (a) JavaScript (b) CSS (c) HTML
21. 21.📦 How wide (px) is this box from the outer edge of its left border to the outer edge of its right border?
    .box {
      width: 200px;
      padding: 25px;
      border: 1px solid black;
      margin: 20px;
    }
22. 22.💪 How wide (px) is each gap between two boxes?
    .row {
      display: flex;
      width: 320px;
      justify-content: space-between;
    }
    Inside are 4 boxes, each 50px wide (no margins).
23. 23.📱 The screen is 1366px wide. Does the rule inside @media apply?
    p {
      font-size: 24px;
    }
    @media (min-width: 1024px) {
      p {
        font-size: 26px;
      }
    } (a) No (b) Yes
24. 24.📱 The screen is 414px wide. What font-size (px) does the paragraph get?
    p {
      font-size: 20px;
    }
    @media (max-width: 1024px) {
      p {
        font-size: 14px;
      }
    }
25. 25.🌈 Which colour is rgb(0, 0, 255)? (a) yellow (b) black (c) red (d) blue
26. 26.✍️ What value is given to background-color in this rule?
    h2 {
      border: 2px solid;
      color: red;
      background-color: yellow;
      width: 300px;
    } (a) 10px (b) background-color (c) yellow (d) 8px
27. 27.⚖️ Which selector is the strongest? (a) an id selector (b) a class selector (c) an element selector
28. 28.✍️ How many declarations (property: value pairs) are in this rule?
    li {
      width: 300px;
    }
29. 29.📦 How much space across (px) does this box take in all, margin included?
    .box {
      width: 80px;
      padding: 20px;
      border: 5px solid black;
      margin: 0px;
    }
30. 30.✍️ How many declarations (property: value pairs) are in this rule?
    .note {
      width: 300px;
    }
31. 31.🎯 Which element does the selector #top style? (a) <p id="intro"> (b) <h1 class="box"> (c) <p class="top"> (d) <p id="top">
32. 32.✍️ Which sign ends each CSS declaration? (a) ; (b) . (c) : (d) ,
33. 33.🖌️ Where does the text sit on its line?
    h2 {
      font-size: 32px;
      background-color: purple;
      text-align: center;
      color: green;
    } (a) on the right (b) on the left (c) in the middle
34. 34.📦 How much space across (px) does this box take in all, margin included?
    .box {
      width: 250px;
      padding: 25px;
      border: 5px solid black;
      margin: 15px;
    }
35. 35.🖌️ Which CSS property sets the letter colour? (a) font-family (b) color (c) background-color (d) font-size
36. 36.✍️ What is the selector in this CSS rule?
    #top {
      text-align: center;
      font-size: 20px;
      font-style: italic;
    } (a) text-align (b) 20px (c) li (d) #top
37. 37.True or false: JavaScript rounds box corners. (a) False (b) True
38. 38.🌈 Which colour is rgb(255, 0, 255)? (a) yellow (b) white (c) magenta (d) bright green
39. 39.💪 How much empty space (px) is left after the last box?
    .row {
      display: flex;
      width: 90px;
      justify-content: flex-start;
    }
    Inside are 2 boxes, each 40px wide (no margins).
40. 40.📦 In the box model, which part is the line round the box? (a) padding (b) margin (c) content (d) border

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