CSS Worksheet: Practice Test

HTML and CSS lesson 20: CSS test · Set 253 · 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.🌈 In #00e500 the green part is the hex number e5. What is it as a normal number?
2. 2.💪 Which flexbox property turns on flexbox? (a) gap (b) align-items (c) flex-direction (d) display: flex
3. 3.💪 How much empty space (px) is left after the last box?
   .row {
     display: flex;
     width: 190px;
     justify-content: flex-start;
   }
   Inside are 2 boxes, each 80px wide (no margins).
4. 4.🧩 Which language makes a link? (a) CSS (b) JavaScript (c) HTML
5. 5.💪 How much empty space (px) is before the first box?
   .row {
     display: flex;
     width: 340px;
     justify-content: flex-end;
   }
   Inside are 3 boxes, each 100px wide (no margins).
6. 6.📦 How much space across (px) does this box take in all, margin included?
   .box {
     width: 60px;
     padding: 20px;
     border: 4px solid black;
     margin: 5px;
   }
7. 7.🌈 Which colour is #00ffff? (a) cyan (b) red (c) blue (d) magenta
8. 8.📱 The screen is 375px wide. Does the rule inside @media apply?
   p {
     font-size: 20px;
   }
   @media (min-width: 768px) {
     p {
       font-size: 22px;
     }
   } (a) No (b) Yes
9. 9.📱 The screen is 414px wide. Does the rule inside @media apply?
   p {
     font-size: 20px;
   }
   @media (min-width: 600px) {
     p {
       font-size: 26px;
     }
   } (a) Yes (b) No
10. 10.True or false: padding is the gap to other boxes. (a) True (b) False
11. 11.🌈 Which colour of light is strongest in rgb(71, 176, 103)? (a) red (b) blue (c) green
12. 12.🎯 Which CSS selector matches this element?
    <li class="box" id="hero">Hello</li> (a) .hero (b) li (c) .star (d) div
13. 13.🎯 What kind of selector is #logo? (a) an id selector (b) an element selector (c) a class selector
14. 14.🎨 One CSS file can style how many pages? (a) only one word (b) no pages (c) only one image (d) many pages
15. 15.⚖️ What colour is the text of this element?
    <p class="note" id="end">Hi</p>
    CSS:
    #end { color: white; }
    p { color: green; } (a) green (b) purple (c) orange (d) white
16. 16.🎯 Which element does the selector p style? (a) <li id="logo"> (b) <h2 class="star"> (c) <h1> (d) <p class="star">
17. 17.🎯 What kind of selector is .star? (a) an id selector (b) a class selector (c) an element selector
18. 18.🖌️ Which CSS property makes letters bigger? (a) font-size (b) font-weight (c) font-family (d) color
19. 19.⚖️ What colour is the text of this element?
    <p class="big" id="top">Hi</p>
    CSS:
    p { color: yellow; }
    p { color: orange; } (a) yellow (b) red (c) orange (d) blue
20. 20.📦 In the box model, which part is the line round the box? (a) content (b) border (c) padding (d) margin
21. 21.⚖️ What colour is the text of this element?
    <p class="red" id="main">Hi</p>
    CSS:
    .red { color: red; }
    .red { color: white; } (a) white (b) blue (c) red (d) orange
22. 22.🎯 Which sign starts a class selector? (a) & (b) # (c) . (d) @
23. 23.📦 How wide (px) is this box from the outer edge of its left border to the outer edge of its right border?
    .box {
      width: 50px;
      padding: 15px;
      border: 5px solid black;
      margin: 0px;
    }
24. 24.🖌️ What colour is behind the letters?
    p {
      font-size: 36px;
      color: green;
      text-align: right;
      background-color: purple;
    } (a) green (b) purple (c) orange
25. 25.✍️ How does a CSS comment start? (a) # (b) <!-- (c) // (d) /*
26. 26.🌈 Which colour is rgb(255, 0, 0)? (a) bright green (b) blue (c) red (d) cyan
27. 27.📱 The screen is 414px wide. Does the rule inside @media apply?
    p {
      font-size: 12px;
    }
    @media (max-width: 600px) {
      p {
        font-size: 10px;
      }
    } (a) No (b) Yes
28. 28.What does justify-content: space-between 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
29. 29.🎯 Which CSS selector matches this element?
    <p class="menu" id="main">Hello</p> (a) .note (b) h1 (c) #menu (d) p
30. 30.🖌️ What colour is behind the letters?
    p {
      text-align: center;
      background-color: red;
      color: orange;
      font-size: 32px;
    } (a) red (b) orange (c) black
31. 31.🌈 In #rrggbb, which colour do the last two digits give? (a) green (b) blue (c) white (d) red
32. 32.🔍 Which is the odd one out? (a) lays out the page (b) changes the page live (c) counts down a timer (d) checks a quiz answer
33. 33.⚖️ What colour is the text of this element?
    <h2 class="note" id="logo">Hi</h2>
    CSS:
    .note { color: purple; }
    #logo { color: orange; }
    h2 { color: black; } (a) orange (b) purple (c) black (d) yellow
34. 34.True or false: JavaScript reacts to a button click. (a) True (b) False
35. 35.✍️ How many declarations (property: value pairs) are in this rule?
    h2 {
      width: 300px;
    }
36. 36.🎨 Which tag connects an outside CSS file? (a) <a> (b) <link> (c) <css> (d) <img>
37. 37.⚖️ Two rules with the same selector set a colour. Which one wins? (a) the first one (b) neither (c) the later one (d) the shorter one
38. 38.⚖️ What colour is the text of this element?
    <h1 class="menu" id="end">Hi</h1>
    CSS:
    .menu { color: black; }
    .menu { color: red; } (a) red (b) orange (c) blue (d) black
39. 39.🌈 Which colour is rgb(0, 255, 255)? (a) bright green (b) yellow (c) cyan (d) red
40. 40.💪 How wide (px) is each gap between two boxes?
    .row {
      display: flex;
      width: 360px;
      justify-content: space-between;
    }
    Inside are 3 boxes, each 80px wide (no margins).

Free html and css lessons, practice and worksheets at talentjr.in/html-css-for-kids