CSS Worksheet: Practice Test

HTML and CSS lesson 20: CSS test · Set 538 · 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.✍️ CSS declarations go inside which brackets? (a) ( ) (b) { } (c) < > (d) [ ]
2. 2.Which of these does HTML do? (a) rounds box corners (b) sets colours and fonts (c) puts a picture on a page (d) adds space around boxes
3. 3.💪 Which justify-content value packs boxes at the end? (a) flex-start (b) center (c) flex-end (d) space-between
4. 4.🌈 Which colour of light is strongest in rgb(21, 17, 244)? (a) red (b) blue (c) green
5. 5.🎯 Which element does the selector #logo style? (a) <h2 class="logo"> (b) <h2 id="end"> (c) <h2 id="logo"> (d) <li class="note">
6. 6.Which of these is padding? (a) the text or picture (b) the gap round content (c) the line round the box (d) a solid or dotted edge
7. 7.🎯 How many elements on a page should have the same id? (a) 1 (b) any number (c) 5 (d) 2
8. 8.🌈 In #00c100 the green part is the hex number c1. What is it as a normal number?
9. 9.🖌️ How big is the text, in px?
   p {
     text-align: left;
     background-color: white;
     color: red;
     font-size: 40px;
   }
10. 10.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 230px;
      justify-content: flex-end;
    }
    Inside are 3 boxes, each 50px wide (no margins).
11. 11.🌈 Which colour is #ffffff? (a) blue (b) cyan (c) red (d) white
12. 12.🔍 Which is the odd one out? (a) lays out the page (b) rounds box corners (c) changes the page live (d) sets colours and fonts
13. 13.🌈 In #rrggbb, which colour do the first two digits give? (a) blue (b) black (c) green (d) red
14. 14.🎯 Which CSS selector matches this element?
    <li class="big" id="logo">Hello</li> (a) #logo (b) #big (c) .red (d) div
15. 15.📦 How much space top to bottom (px) does this box take in all, margin included?
    .box {
      height: 40px;
      padding: 25px;
      border: 3px solid black;
      margin: 5px;
    }
16. 16.📱 The screen is 540px wide. What font-size (px) does the paragraph get?
    p {
      font-size: 12px;
    }
    @media (max-width: 768px) {
      p {
        font-size: 8px;
      }
    }
17. 17.📦 How much space top to bottom (px) does this box take in all, margin included?
    .box {
      height: 70px;
      padding: 15px;
      border: 5px solid black;
      margin: 5px;
    }
18. 18.🎯 Which element does the selector #end style? (a) <p id="hero"> (b) <h1 class="menu"> (c) <p class="end"> (d) <p id="end">
19. 19.🖌️ Which CSS property sets the letter colour? (a) background-color (b) color (c) font-size (d) font-weight
20. 20.🎯 What kind of selector is #hero? (a) an element selector (b) a class selector (c) an id selector
21. 21.📱 The screen is 320px wide. Does the rule inside @media apply?
    p {
      font-size: 20px;
    }
    @media (max-width: 1024px) {
      p {
        font-size: 14px;
      }
    } (a) Yes (b) No
22. 22.💪 Which justify-content value packs boxes at the start? (a) space-between (b) flex-start (c) center (d) flex-end
23. 23.🔍 Which is the odd one out? (a) gives the page structure (b) makes headings and lists (c) makes a link (d) shows a pop-up message
24. 24.✍️ In color: blue; which part is the value? (a) : (b) blue (c) ; (d) color
25. 25.🎨 Which tag connects an outside CSS file? (a) <css> (b) <img> (c) <a> (d) <link>
26. 26.✍️ Which property is set to 20px in this rule?
    p {
      font-size: 20px;
      font-style: italic;
      background-color: yellow;
      width: 300px;
    } (a) text-align (b) font-size (c) background-color (d) 20px
27. 27.📱 The screen is 414px wide. Does the rule inside @media apply?
    p {
      font-size: 24px;
    }
    @media (max-width: 1024px) {
      p {
        font-size: 22px;
      }
    } (a) No (b) Yes
28. 28.📱 The screen is 375px wide. What font-size (px) does the paragraph get?
    p {
      font-size: 16px;
    }
    @media (max-width: 1024px) {
      p {
        font-size: 10px;
      }
    }
29. 29.🌈 In #rrggbb, which colour do the last two digits give? (a) red (b) green (c) blue (d) white
30. 30.📱 max-width: 600px applies when the screen is ___. (a) turned off (b) 600px or narrower (c) 600px or wider (d) exactly 1000px
31. 31.Which of these does JavaScript do? (a) makes a form box (b) rounds box corners (c) changes the page live (d) adds space around boxes
32. 32.✍️ What is the selector in this CSS rule?
    h2 {
      font-style: italic;
      font-size: 20px;
      margin: 10px;
    } (a) h1 (b) font-style (c) 20px (d) h2
33. 33.🧩 Which language changes the page live? (a) CSS (b) HTML (c) JavaScript
34. 34.🌈 How many pairs of hex digits are in a colour like #ff8800? (a) 6 (b) 3 (c) 2 (d) 4
35. 35.🧩 Which language changes the text size? (a) CSS (b) HTML (c) JavaScript
36. 36.⚖️ What colour is the text of this element?
    <p class="note" id="hero">Hi</p>
    CSS:
    #hero { color: black; }
    p { color: yellow; } (a) purple (b) yellow (c) blue (d) black
37. 37.📦 How much space top to bottom (px) does this box take in all, margin included?
    .box {
      height: 140px;
      padding: 25px;
      border: 1px solid black;
      margin: 20px;
    }
38. 38.✍️ How many declarations (property: value pairs) are in this rule?
    .note {
      text-align: center;
      background-color: yellow;
      border: 2px solid;
    }
39. 39.💪 Which flexbox property lines boxes up across? (a) display: flex (b) justify-content (c) gap (d) align-items
40. 40.📦 How much space top to bottom (px) does this box take in all, margin included?
    .box {
      height: 180px;
      padding: 25px;
      border: 5px solid black;
      margin: 0px;
    }

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