CSS Worksheet: Practice Test

HTML and CSS lesson 20: CSS test · Set 155 · 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 much empty space (px) is before the first box?
   .row {
     display: flex;
     width: 230px;
     justify-content: flex-end;
   }
   Inside are 2 boxes, each 100px wide (no margins).
2. 2.Which of these is padding? (a) space inside the border (b) a solid or dotted edge (c) the gap to other boxes (d) space outside the border
3. 3.✍️ Which property is set to 20px in this rule?
   .box {
     font-size: 20px;
     text-align: center;
   } (a) text-align (b) 20px (c) background-color (d) font-size
4. 4.⚖️ Two rules with the same selector set a colour. Which one wins? (a) the first one (b) the shorter one (c) the later one (d) neither
5. 5.📦 How much space across (px) does this box take in all, margin included?
   .box {
     width: 270px;
     padding: 15px;
     border: 4px solid black;
     margin: 5px;
   }
6. 6.✍️ Which sign goes between a property and its value? (a) : (b) - (c) ; (d) =
7. 7.Which of these does CSS do? (a) shows a pop-up message (b) counts down a timer (c) reacts to a button click (d) sets colours and fonts
8. 8.🌈 In #000063 the blue part is the hex number 63. What is it as a normal number?
9. 9.📦 How wide (px) is this box from the outer edge of its left border to the outer edge of its right border?
   .box {
     width: 290px;
     padding: 10px;
     border: 1px solid black;
     margin: 20px;
   }
10. 10.🎯 Can many elements share the same class? (a) Yes (b) No
11. 11.🖌️ Which CSS property colours behind the text? (a) color (b) background-color (c) font-size (d) font-weight
12. 12.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 500px;
      justify-content: center;
    }
    Inside are 4 boxes, each 100px wide (no margins).
13. 13.📦 How much space across (px) does this box take in all, margin included?
    .box {
      width: 170px;
      padding: 30px;
      border: 5px solid black;
      margin: 0px;
    }
14. 14.🎨 Which attribute adds CSS inside one tag? (a) src (b) style (c) alt (d) href
15. 15.📱 Which tag helps phones show a page at the right size? (a) the title tag (b) the br tag (c) the viewport meta tag (d) the hr tag
16. 16.✍️ CSS declarations go inside which brackets? (a) ( ) (b) < > (c) { } (d) [ ]
17. 17.✍️ How many declarations (property: value pairs) are in this rule?
    body {
      border: 2px solid;
      font-style: italic;
      margin: 10px;
    }
18. 18.True or false: .card is an id selector. (a) True (b) False
19. 19.💪 Which flexbox property sets space between boxes? (a) display: flex (b) justify-content (c) flex-direction (d) gap
20. 20.✍️ How many declarations (property: value pairs) are in this rule?
    #top {
      color: red;
    }
21. 21.🔍 Which is the odd one out? (a) rounds box corners (b) makes a form box (c) puts a picture on a page (d) makes headings and lists
22. 22.✍️ Which property is set to 10px in this rule?
    body {
      margin: 10px;
      text-align: center;
      padding: 8px;
      font-style: italic;
    } (a) font-weight (b) margin (c) padding (d) 10px
23. 23.📱 The screen is 320px wide. What font-size (px) does the paragraph get?
    p {
      font-size: 20px;
    }
    @media (max-width: 480px) {
      p {
        font-size: 16px;
      }
    }
24. 24.What does text-align do? (a) sets the letter colour (b) picks the font style (c) colours behind the text (d) centres a heading
25. 25.✍️ Which property is set to 300px in this rule?
    .box {
      color: red;
      margin: 10px;
      width: 300px;
      padding: 8px;
    } (a) font-style (b) 300px (c) color (d) width
26. 26.✍️ What value is given to text-align in this rule?
    h2 {
      text-align: center;
      font-style: italic;
    } (a) text-align (b) yellow (c) center (d) 10px
27. 27.⚖️ What colour is the text of this element?
    <p class="star" id="hero">Hi</p>
    CSS:
    p { color: green; }
    .star { color: black; } (a) black (b) green (c) white (d) orange
28. 28.🌈 Which colour is rgb(0, 0, 255)? (a) red (b) blue (c) white (d) yellow
29. 29.🖌️ Which CSS property picks the font style? (a) background-color (b) font-family (c) text-align (d) font-weight
30. 30.⚖️ What colour is the text of this element?
    <h2 class="note" id="hero">Hi</h2>
    CSS:
    h2 { color: blue; }
    h2 { color: purple; } (a) blue (b) green (c) purple (d) black
31. 31.🖌️ Where does the text sit on its line?
    li {
      color: green;
      background-color: blue;
      font-size: 16px;
      text-align: left;
    } (a) on the left (b) on the right (c) in the middle
32. 32.🎯 Which element does the selector #top style? (a) <p id="intro"> (b) <p id="top"> (c) <h1 class="big"> (d) <p class="top">
33. 33.🖌️ How big is the text, in px?
    li {
      font-size: 20px;
      background-color: blue;
      color: white;
      text-align: left;
    }
34. 34.🌈 Which colour is rgb(0, 0, 0)? (a) blue (b) cyan (c) red (d) black
35. 35.🌈 In #008900 the green part is the hex number 89. What is it as a normal number?
36. 36.What does font-size do? (a) centres a heading (b) colours behind the text (c) makes the text bold (d) makes letters bigger
37. 37.🎨 What does CSS stand for? (a) Cascading Style Sheets (b) Creative Sheet System (c) Computer Style Sheets (d) Colourful Site Styles
38. 38.⚖️ Which selector is the strongest? (a) an element selector (b) an id selector (c) a class selector
39. 39.📱 The screen is 375px wide. Does the rule inside @media apply?
    p {
      font-size: 20px;
    }
    @media (min-width: 480px) {
      p {
        font-size: 22px;
      }
    } (a) Yes (b) No
40. 40.🎯 Which CSS selector matches this element?
    <li class="big" id="intro">Hello</li> (a) .intro (b) li (c) div (d) #big

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