CSS Worksheet: Practice Test

HTML and CSS lesson 20: CSS test · Set 585 · 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 is the biggest number one colour can have in rgb()? (a) 100 (b) 255 (c) 99 (d) 1000
2. 2.What does justify-content: flex-end do? (a) puts boxes in the middle (b) packs boxes at the start (c) equal gaps, none at ends (d) packs boxes at the end
3. 3.🌈 Which colour is #00ff00? (a) bright green (b) red (c) blue (d) black
4. 4.🎯 Which CSS selector matches this element?
   <span class="note" id="logo">Hello</span> (a) #note (b) .note (c) p (d) #end
5. 5.💪 How much empty space (px) is left after the last box?
   .row {
     display: flex;
     width: 260px;
     justify-content: flex-start;
   }
   Inside are 3 boxes, each 80px wide (no margins).
6. 6.⚖️ Which selector is the strongest? (a) an element selector (b) a class selector (c) an id selector
7. 7.📱 Which tag helps phones show a page at the right size? (a) the br tag (b) the hr tag (c) the title tag (d) the viewport meta tag
8. 8.✍️ Which property is set to center in this rule?
   h1 {
     text-align: center;
     background-color: yellow;
   } (a) margin (b) background-color (c) center (d) text-align
9. 9.✍️ How many declarations (property: value pairs) are in this rule?
   p {
     font-weight: bold;
     margin: 10px;
   }
10. 10.🌈 Which colour is #ffff00? (a) bright green (b) blue (c) yellow (d) magenta
11. 11.🌈 Which hex code is magenta? (a) #ff0000 (b) #ff00ff (c) #00ffff (d) #00ff00
12. 12.🎨 Which tag connects an outside CSS file? (a) <img> (b) <a> (c) <link> (d) <css>
13. 13.🎯 What kind of selector is .note? (a) an element selector (b) an id selector (c) a class selector
14. 14.What does justify-content: flex-start do? (a) packs boxes at the start (b) puts boxes in the middle (c) equal gaps, none at ends (d) packs boxes at the end
15. 15.📦 In the box model, which part is the gap round content? (a) border (b) content (c) margin (d) padding
16. 16.What does font-weight do? (a) makes letters bigger (b) makes the text bold (c) sets the letter colour (d) colours behind the text
17. 17.What does justify-content: center do? (a) equal gaps, none at ends (b) packs boxes at the end (c) packs boxes at the start (d) puts boxes in the middle
18. 18.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 100px;
      justify-content: center;
    }
    Inside are 2 boxes, each 40px wide (no margins).
19. 19.🎨 A CSS file usually ends with which extension? (a) .png (b) .js (c) .html (d) .css
20. 20.⚖️ What colour is the text of this element?
    <h1 class="note" id="hero">Hi</h1>
    CSS:
    h1 { color: blue; }
    .note { color: yellow; } (a) yellow (b) blue (c) black (d) green
21. 21.🎯 Which CSS selector matches this element?
    <li class="red" id="hero">Hello</li> (a) .box (b) div (c) li (d) #red
22. 22.🎯 Which CSS selector matches this element?
    <div class="red" id="hero">Hello</div> (a) .box (b) #red (c) span (d) #hero
23. 23.🧩 Which language gives the page structure? (a) HTML (b) JavaScript (c) CSS
24. 24.What does font-size do? (a) sets the letter colour (b) makes letters bigger (c) makes the text bold (d) colours behind the text
25. 25.✍️ How many declarations (property: value pairs) are in this rule?
    h2 {
      border: 2px solid;
      text-align: center;
    }
26. 26.⚖️ What colour is the text of this element?
    <h1 class="note" id="logo">Hi</h1>
    CSS:
    h1 { color: white; }
    .note { color: purple; } (a) red (b) purple (c) black (d) white
27. 27.💪 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).
28. 28.🔍 Which is the odd one out? (a) rounds box corners (b) adds space around boxes (c) changes the text size (d) reacts to a button click
29. 29.True or false: CSS sets colours and fonts. (a) False (b) True
30. 30.💪 How much empty space (px) is left after the last box?
    .row {
      display: flex;
      width: 170px;
      justify-content: flex-start;
    }
    Inside are 4 boxes, each 40px wide (no margins).
31. 31.⚖️ What colour is the text of this element?
    <p class="note" id="intro">Hi</p>
    CSS:
    #intro { color: yellow; }
    p { color: red; } (a) yellow (b) red (c) black (d) orange
32. 32.✍️ What value is given to text-align in this rule?
    #top {
      border: 2px solid;
      text-align: center;
      font-weight: bold;
      font-style: italic;
    } (a) 10px (b) center (c) text-align (d) yellow
33. 33.⚖️ What colour is the text of this element?
    <h2 class="star" id="top">Hi</h2>
    CSS:
    .star { color: purple; }
    .star { color: orange; } (a) green (b) purple (c) yellow (d) orange
34. 34.What does font-family do? (a) picks the font style (b) sets the letter colour (c) makes letters bigger (d) colours behind the text
35. 35.🖌️ How big is the text, in px?
    li {
      font-size: 28px;
      background-color: white;
      color: orange;
      text-align: center;
    }
36. 36.✍️ In color: blue; which part is the property? (a) color (b) ; (c) : (d) blue
37. 37.🌈 In #rrggbb, which colour do the last two digits give? (a) green (b) red (c) blue (d) white
38. 38.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 190px;
      justify-content: flex-end;
    }
    Inside are 4 boxes, each 40px wide (no margins).
39. 39.🌈 Which colour of light is strongest in rgb(53, 17, 245)? (a) red (b) blue (c) green
40. 40.✍️ What value is given to padding in this rule?
    h1 {
      font-size: 20px;
      padding: 8px;
      color: red;
    } (a) 8px (b) padding (c) bold (d) 2px solid

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