CSS Worksheet: Practice Test

HTML and CSS lesson 20: CSS test · Set 720 · 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.What does justify-content: flex-start do? (a) equal gaps, none at ends (b) packs boxes at the start (c) packs boxes at the end (d) puts boxes in the middle
2. 2.🎯 Which element does the selector #end style? (a) <div class="end"> (b) <div id="end"> (c) <div id="hero"> (d) <span class="box">
3. 3.💪 Which justify-content value puts boxes in the middle? (a) flex-start (b) center (c) space-between (d) flex-end
4. 4.💪 How much empty space (px) is before the first box?
   .row {
     display: flex;
     width: 150px;
     justify-content: flex-end;
   }
   Inside are 3 boxes, each 40px wide (no margins).
5. 5.✍️ How many declarations (property: value pairs) are in this rule?
   li {
     padding: 8px;
   }
6. 6.🎯 Which element does the selector div style? (a) <h1 id="intro"> (b) <span> (c) <p class="big"> (d) <div class="big">
7. 7.🌈 Which colour is #ffff00? (a) red (b) magenta (c) yellow (d) blue
8. 8.✍️ Which sign goes between a property and its value? (a) = (b) : (c) - (d) ;
9. 9.🖌️ What colour is behind the letters?
   li {
     background-color: green;
     text-align: center;
     color: red;
     font-size: 28px;
   } (a) green (b) red (c) yellow
10. 10.🎯 What kind of selector is .big? (a) a class selector (b) an id selector (c) an element selector
11. 11.📱 The screen is 1100px wide. Does the rule inside @media apply?
    p {
      font-size: 16px;
    }
    @media (max-width: 768px) {
      p {
        font-size: 14px;
      }
    } (a) Yes (b) No
12. 12.💪 Which flexbox property spaces boxes along a row? (a) display: flex (b) gap (c) flex-direction (d) justify-content
13. 13.✍️ What value is given to width in this rule?
    body {
      width: 300px;
      border: 2px solid;
      font-weight: bold;
    } (a) red (b) 300px (c) italic (d) width
14. 14.⚖️ 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
15. 15.🌈 In #rrggbb, which colour do the last two digits give? (a) red (b) white (c) blue (d) green
16. 16.🖌️ Where does the text sit on its line?
    h2 {
      background-color: purple;
      text-align: left;
      font-size: 32px;
      color: red;
    } (a) in the middle (b) on the right (c) on the left
17. 17.🌈 In #rrggbb, which colour do the first two digits give? (a) red (b) blue (c) green (d) black
18. 18.🎯 What kind of selector is body? (a) a class selector (b) an id selector (c) an element selector
19. 19.💪 Which flexbox property sets space between boxes? (a) display: flex (b) justify-content (c) flex-direction (d) gap
20. 20.💪 How wide (px) is each gap between two boxes?
    .row {
      display: flex;
      width: 450px;
      justify-content: space-between;
    }
    Inside are 4 boxes, each 60px wide (no margins).
21. 21.⚖️ Which selector is the strongest? (a) a class selector (b) an id selector (c) an element selector
22. 22.📱 min-width: 800px applies when the screen is ___. (a) turned off (b) 800px or narrower (c) 800px or wider (d) exactly 100px
23. 23.📱 The screen is 700px wide. Does the rule inside @media apply?
    p {
      font-size: 20px;
    }
    @media (max-width: 768px) {
      p {
        font-size: 18px;
      }
    } (a) Yes (b) No
24. 24.🎨 Which tag connects an outside CSS file? (a) <a> (b) <css> (c) <link> (d) <img>
25. 25.True or false: HTML makes headings and lists. (a) True (b) False
26. 26.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 160px;
      justify-content: center;
    }
    Inside are 2 boxes, each 50px wide (no margins).
27. 27.🧩 Which language puts a picture on a page? (a) CSS (b) HTML (c) JavaScript
28. 28.⚖️ What colour is the text of this element?
    <h2 class="big" id="top">Hi</h2>
    CSS:
    h2 { color: orange; }
    .big { color: red; }
    #top { color: black; } (a) red (b) orange (c) green (d) black
29. 29.🧩 Which language makes a form box? (a) HTML (b) JavaScript (c) CSS
30. 30.📱 What does a media query check? (a) the time of day (b) the screen width (c) the battery level (d) the page title
31. 31.📦 How much space across (px) does this box take in all, margin included?
    .box {
      width: 150px;
      padding: 15px;
      border: 5px solid black;
      margin: 0px;
    }
32. 32.🖌️ Where does the text sit on its line?
    p {
      text-align: left;
      background-color: black;
      font-size: 20px;
      color: white;
    } (a) in the middle (b) on the left (c) on the right
33. 33.✍️ How many declarations (property: value pairs) are in this rule?
    .box {
      font-style: italic;
      color: red;
    }
34. 34.🖌️ What colour is behind the letters?
    p {
      font-size: 12px;
      text-align: right;
      background-color: red;
      color: black;
    } (a) red (b) orange (c) black
35. 35.🌈 Which hex code is yellow? (a) #ff00ff (b) #ffff00 (c) #ffffff (d) #000000
36. 36.✍️ What is the selector in this CSS rule?
    li {
      font-size: 20px;
      text-align: center;
      padding: 8px;
    } (a) li (b) font-size (c) center (d) body
37. 37.🌈 Which colour is rgb(0, 0, 255)? (a) red (b) bright green (c) blue (d) cyan
38. 38.⚖️ Which selector is the weakest? (a) an element selector (b) a class selector (c) an id selector
39. 39.🎯 Which CSS selector matches this element?
    <li class="star" id="main">Hello</li> (a) .menu (b) #star (c) div (d) li
40. 40.📦 In the box model, which part is the text or picture? (a) content (b) border (c) margin (d) padding

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