CSS Worksheet: Practice Test

HTML and CSS lesson 20: CSS test · Set 724 · 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 CSS selector matches this element?
   <span class="big" id="top">Hello</span> (a) #big (b) .big (c) .top (d) .red
2. 2.✍️ In color: blue; which part is the property? (a) : (b) color (c) blue (d) ;
3. 3.🌈 Which colour of light is strongest in rgb(57, 25, 244)? (a) green (b) blue (c) red
4. 4.📱 The screen is 540px wide. Does the rule inside @media apply?
   p {
     font-size: 24px;
   }
   @media (max-width: 480px) {
     p {
       font-size: 22px;
     }
   } (a) Yes (b) No
5. 5.🖌️ What colour are the letters?
   li {
     background-color: yellow;
     color: orange;
     font-size: 16px;
     text-align: center;
   } (a) yellow (b) black (c) orange
6. 6.🎯 Which element does the selector .note style? (a) <h2 id="note"> (b) <h2 class="note"> (c) <h2 class="big"> (d) <li class="red">
7. 7.✍️ Which sign ends each CSS declaration? (a) . (b) : (c) ; (d) ,
8. 8.💪 How wide (px) is each gap between two boxes?
   .row {
     display: flex;
     width: 180px;
     justify-content: space-between;
   }
   Inside are 3 boxes, each 40px wide (no margins).
9. 9.💪 Which flexbox property lines boxes up across? (a) gap (b) align-items (c) flex-direction (d) display: flex
10. 10.True or false: CSS sets colours and fonts. (a) False (b) True
11. 11.🖌️ Which CSS property colours behind the text? (a) font-weight (b) font-size (c) background-color (d) font-family
12. 12.🧩 Which language sets colours and fonts? (a) HTML (b) JavaScript (c) CSS
13. 13.🌈 Which hex code is black? (a) #00ffff (b) #000000 (c) #ff00ff (d) #00ff00
14. 14.Which of these does JavaScript do? (a) adds space around boxes (b) sets colours and fonts (c) changes the text size (d) counts down a timer
15. 15.⚖️ Which selector is the strongest? (a) an id selector (b) an element selector (c) a class selector
16. 16.✍️ What is the selector in this CSS rule?
    h1 {
      background-color: yellow;
      color: red;
      margin: 10px;
    } (a) p (b) background-color (c) h1 (d) red
17. 17.🌈 In #890000 the red part is the hex number 89. What is it as a normal number?
18. 18.🖌️ What colour is behind the letters?
    h1 {
      background-color: blue;
      color: red;
      font-size: 28px;
      text-align: right;
    } (a) red (b) black (c) blue
19. 19.🎨 Which attribute adds CSS inside one tag? (a) alt (b) href (c) src (d) style
20. 20.⚖️ What colour is the text of this element?
    <p class="note" id="end">Hi</p>
    CSS:
    #end { color: orange; }
    #end { color: yellow; } (a) red (b) blue (c) orange (d) yellow
21. 21.✍️ What value is given to text-align in this rule?
    .box {
      font-weight: bold;
      text-align: center;
    } (a) 10px (b) center (c) text-align (d) yellow
22. 22.⚖️ Which selector is the weakest? (a) a class selector (b) an id selector (c) an element selector
23. 23.📱 Which tag helps phones show a page at the right size? (a) the viewport meta tag (b) the hr tag (c) the br tag (d) the title tag
24. 24.🌈 In #c10000 the red part is the hex number c1. What is it as a normal number?
25. 25.✍️ Which property is set to italic in this rule?
    #top {
      color: red;
      font-style: italic;
    } (a) italic (b) font-style (c) color (d) font-size
26. 26.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 220px;
      justify-content: center;
    }
    Inside are 4 boxes, each 50px wide (no margins).
27. 27.🌈 What is the biggest number one colour can have in rgb()? (a) 100 (b) 1000 (c) 255 (d) 99
28. 28.📱 max-width: 600px applies when the screen is ___. (a) exactly 1000px (b) turned off (c) 600px or narrower (d) 600px or wider
29. 29.🔍 Which is the odd one out? (a) makes headings and lists (b) shows a pop-up message (c) checks a quiz answer (d) counts down a timer
30. 30.📦 How much space top to bottom (px) does this box take in all, margin included?
    .box {
      height: 190px;
      padding: 20px;
      border: 4px solid black;
      margin: 10px;
    }
31. 31.⚖️ What colour is the text of this element?
    <h1 class="red" id="main">Hi</h1>
    CSS:
    #main { color: white; }
    h1 { color: yellow; }
    .red { color: orange; } (a) orange (b) purple (c) white (d) yellow
32. 32.✍️ In color: blue; which part is the value? (a) : (b) ; (c) blue (d) color
33. 33.🌈 In #0000d1 the blue part is the hex number d1. What is it as a normal number?
34. 34.✍️ Which property is set to red in this rule?
    h2 {
      font-size: 20px;
      color: red;
      border: 2px solid;
    } (a) red (b) text-align (c) font-size (d) color
35. 35.🌈 Which colour is rgb(0, 255, 0)? (a) cyan (b) bright green (c) red (d) blue
36. 36.📦 How wide (px) is this box from the outer edge of its left border to the outer edge of its right border?
    .box {
      width: 230px;
      padding: 15px;
      border: 1px solid black;
      margin: 10px;
    }
37. 37.⚖️ What colour is the text of this element?
    <h2 class="note" id="top">Hi</h2>
    CSS:
    .note { color: yellow; }
    h2 { color: orange; }
    #top { color: black; } (a) purple (b) black (c) yellow (d) orange
38. 38.📱 The screen is 1100px wide. What font-size (px) does the paragraph get?
    p {
      font-size: 24px;
    }
    @media (min-width: 600px) {
      p {
        font-size: 32px;
      }
    }
39. 39.🌈 How many pairs of hex digits are in a colour like #ff8800? (a) 4 (b) 2 (c) 6 (d) 3
40. 40.📱 The screen is 414px wide. Does the rule inside @media apply?
    p {
      font-size: 16px;
    }
    @media (max-width: 480px) {
      p {
        font-size: 12px;
      }
    } (a) Yes (b) No

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