CSS Worksheet: Practice Test

HTML and CSS lesson 20: CSS test · Set 121 · 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 colour of light is strongest in rgb(221, 76, 105)? (a) blue (b) red (c) green
2. 2.📱 The screen is 820px wide. What font-size (px) does the paragraph get?
   p {
     font-size: 12px;
   }
   @media (min-width: 480px) {
     p {
       font-size: 18px;
     }
   }
3. 3.💪 How wide (px) is each gap between two boxes?
   .row {
     display: flex;
     width: 260px;
     justify-content: space-between;
   }
   Inside are 2 boxes, each 100px wide (no margins).
4. 4.💪 Which flexbox property sets space between boxes? (a) gap (b) display: flex (c) justify-content (d) align-items
5. 5.🖌️ Where does the text sit on its line?
   p {
     font-size: 20px;
     text-align: left;
     color: purple;
     background-color: red;
   } (a) on the left (b) on the right (c) in the middle
6. 6.🌈 Which colour is rgb(255, 255, 255)? (a) red (b) white (c) yellow (d) cyan
7. 7.💪 How wide (px) is each gap between two boxes?
   .row {
     display: flex;
     width: 190px;
     justify-content: space-between;
   }
   Inside are 4 boxes, each 40px wide (no margins).
8. 8.⚖️ Two rules with the same selector set a colour. Which one wins? (a) the shorter one (b) the first one (c) the later one (d) neither
9. 9.✍️ How many declarations (property: value pairs) are in this rule?
   li {
     background-color: yellow;
     padding: 8px;
     border: 2px solid;
     margin: 10px;
   }
10. 10.🌈 In #rrggbb, which colour do the last two digits give? (a) white (b) green (c) red (d) blue
11. 11.🔍 Which is the odd one out? (a) makes a form box (b) shows a pop-up message (c) puts a picture on a page (d) gives the page structure
12. 12.💪 Which flexbox property lines boxes up across? (a) justify-content (b) gap (c) flex-direction (d) align-items
13. 13.💪 How much empty space (px) is left after the last box?
    .row {
      display: flex;
      width: 180px;
      justify-content: flex-start;
    }
    Inside are 3 boxes, each 50px wide (no margins).
14. 14.What does text-align do? (a) sets the letter colour (b) makes letters bigger (c) centres a heading (d) makes the text bold
15. 15.True or false: HTML sets colours and fonts. (a) True (b) False
16. 16.🌈 Which colour of light is strongest in rgb(74, 234, 140)? (a) green (b) blue (c) red
17. 17.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 280px;
      justify-content: center;
    }
    Inside are 3 boxes, each 80px wide (no margins).
18. 18.True or false: .big is an id selector. (a) False (b) True
19. 19.🎯 Which CSS selector matches this element?
    <span class="note" id="main">Hello</span> (a) .big (b) #note (c) span (d) .main
20. 20.Which of these is the content? (a) a solid or dotted edge (b) the line round the box (c) the text or picture (d) the gap round content
21. 21.⚖️ Which selector is the strongest? (a) an id selector (b) a class selector (c) an element selector
22. 22.🌈 Which hex code is yellow? (a) #ff00ff (b) #00ff00 (c) #ffff00 (d) #ff0000
23. 23.⚖️ What colour is the text of this element?
    <h2 class="star" id="logo">Hi</h2>
    CSS:
    .star { color: purple; }
    #logo { color: white; }
    h2 { color: black; } (a) white (b) orange (c) black (d) purple
24. 24.📦 In the box model, which part is a solid or dotted edge? (a) margin (b) content (c) border (d) padding
25. 25.✍️ In color: blue; which part is the property? (a) : (b) ; (c) blue (d) color
26. 26.🌈 In #000011 the blue part is the hex number 11. What is it as a normal number?
27. 27.🌈 In #300000 the red part is the hex number 30. What is it as a normal number?
28. 28.🖌️ Where does the text sit on its line?
    li {
      background-color: orange;
      font-size: 16px;
      color: black;
      text-align: right;
    } (a) on the left (b) in the middle (c) on the right
29. 29.📱 Responsive design means a page ___. (a) fits every screen (b) never changes (c) has no pictures (d) is only for laptops
30. 30.✍️ In color: blue; which part is the value? (a) ; (b) color (c) : (d) blue
31. 31.🎨 What does CSS stand for? (a) Creative Sheet System (b) Computer Style Sheets (c) Colourful Site Styles (d) Cascading Style Sheets
32. 32.True or false: JavaScript changes the page live. (a) False (b) True
33. 33.⚖️ What colour is the text of this element?
    <p class="note" id="intro">Hi</p>
    CSS:
    #intro { color: blue; }
    .note { color: purple; }
    p { color: white; } (a) white (b) green (c) purple (d) blue
34. 34.🎯 How many elements on a page should have the same id? (a) 1 (b) any number (c) 5 (d) 2
35. 35.📦 How wide (px) is this box from the outer edge of its left border to the outer edge of its right border?
    .box {
      width: 250px;
      padding: 5px;
      border: 4px solid black;
      margin: 20px;
    }
36. 36.🔍 Which is the odd one out? (a) sets colours and fonts (b) gives the page structure (c) makes a link (d) makes headings and lists
37. 37.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
38. 38.🌈 Which colour is rgb(255, 255, 0)? (a) magenta (b) cyan (c) yellow (d) white
39. 39.🔍 Which is the odd one out? (a) makes a link (b) gives the page structure (c) adds space around boxes (d) puts a picture on a page
40. 40.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 130px;
      justify-content: flex-end;
    }
    Inside are 2 boxes, each 50px wide (no margins).

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