CSS Worksheet: Box Model
Code tip (Inside out, twice): From the inside out: content → padding → border → margin. Border to border = width + 2 × padding + 2 × border. Total space = width + 2 × padding + 2 × border + 2 × margin.
NameDateTime takenScore ___ / 40
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1.📦 How wide (px) is this box from the outer edge of its left border to the outer edge of its right border?
.box {
width: 120px;
padding: 10px;
border: 2px solid black;
margin: 15px;
} -
2.📦 How wide (px) is this box from the outer edge of its left border to the outer edge of its right border?
.box {
width: 110px;
padding: 15px;
border: 2px solid black;
margin: 20px;
} -
3.📦 How wide (px) is this box from the outer edge of its left border to the outer edge of its right border?
.box {
width: 150px;
padding: 15px;
border: 4px solid black;
margin: 20px;
} -
4.📦 How much space across (px) does this box take in all, margin included?
.box {
width: 290px;
padding: 30px;
border: 3px solid black;
margin: 20px;
} - 5.True or false: the border is the gap round content. (a) True (b) False
- 6.True or false: padding is the gap round content. (a) True (b) False
- 7.True or false: margin is the gap to other boxes. (a) False (b) True
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8.📦 How much space top to bottom (px) does this box take in all, margin included?
.box {
height: 60px;
padding: 5px;
border: 3px solid black;
margin: 0px;
} -
9.📦 How wide (px) is this box from the outer edge of its left border to the outer edge of its right border?
.box {
width: 260px;
padding: 25px;
border: 1px solid black;
margin: 10px;
} -
10.📦 How much space top to bottom (px) does this box take in all, margin included?
.box {
height: 60px;
padding: 30px;
border: 4px solid black;
margin: 0px;
} - 11.True or false: the border is the line round the box. (a) True (b) False
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12.📦 How much space across (px) does this box take in all, margin included?
.box {
width: 290px;
padding: 15px;
border: 3px solid black;
margin: 10px;
} - 13.Which of these is padding? (a) the line round the box (b) space outside the border (c) space inside the border (d) the gap to other boxes
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14.📦 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: 30px;
border: 1px solid black;
margin: 15px;
} - 15.📦 In the box model, which part is space inside the border? (a) border (b) padding (c) content (d) margin
- 16.True or false: margin is space outside the border. (a) True (b) False
- 17.📦 In the box model, which part is the gap round content? (a) padding (b) border (c) margin (d) content
-
18.📦 How wide (px) is this box from the outer edge of its left border to the outer edge of its right border?
.box {
width: 180px;
padding: 10px;
border: 3px solid black;
margin: 5px;
} - 19.Which of these is margin? (a) the text or picture (b) the gap round content (c) the gap to other boxes (d) space inside the border
- 20.Which of these is padding? (a) a solid or dotted edge (b) the gap to other boxes (c) space outside the border (d) the gap round content
- 21.Which of these is the content? (a) a solid or dotted edge (b) space outside the border (c) space inside the border (d) the text or picture
-
22.📦 How much space across (px) does this box take in all, margin included?
.box {
width: 230px;
padding: 10px;
border: 3px solid black;
margin: 20px;
} -
23.📦 How much space top to bottom (px) does this box take in all, margin included?
.box {
height: 90px;
padding: 10px;
border: 2px solid black;
margin: 0px;
} - 24.Which of these is margin? (a) space outside the border (b) a solid or dotted edge (c) space inside the border (d) the text or picture
- 25.True or false: the content is the text or picture. (a) False (b) True
- 26.Which of these is the border? (a) space inside the border (b) the gap round content (c) the line round the box (d) space outside the border
-
27.📦 How much space top to bottom (px) does this box take in all, margin included?
.box {
height: 60px;
padding: 10px;
border: 4px solid black;
margin: 10px;
} -
28.📦 How much space across (px) does this box take in all, margin included?
.box {
width: 50px;
padding: 15px;
border: 1px solid black;
margin: 20px;
} -
29.📦 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: 2px solid black;
margin: 15px;
} - 30.Which of these is the border? (a) the gap round content (b) space inside the border (c) a solid or dotted edge (d) the gap to other boxes
- 31.True or false: the border is space outside the border. (a) False (b) True
-
32.📦 How much space top to bottom (px) does this box take in all, margin included?
.box {
height: 50px;
padding: 5px;
border: 3px solid black;
margin: 15px;
} -
33.📦 How much space top to bottom (px) does this box take in all, margin included?
.box {
height: 190px;
padding: 5px;
border: 4px solid black;
margin: 10px;
} -
34.📦 How wide (px) is this box from the outer edge of its left border to the outer edge of its right border?
.box {
width: 100px;
padding: 30px;
border: 3px solid black;
margin: 0px;
} -
35.📦 How much space top to bottom (px) does this box take in all, margin included?
.box {
height: 110px;
padding: 5px;
border: 2px solid black;
margin: 20px;
} -
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: 240px;
padding: 20px;
border: 4px solid black;
margin: 0px;
} - 37.📦 In the box model, which part is the text or picture? (a) border (b) padding (c) content (d) margin
-
38.📦 How much space across (px) does this box take in all, margin included?
.box {
width: 260px;
padding: 15px;
border: 1px solid black;
margin: 10px;
} -
39.📦 How much space across (px) does this box take in all, margin included?
.box {
width: 280px;
padding: 5px;
border: 4px solid black;
margin: 20px;
} -
40.📦 How much space top to bottom (px) does this box take in all, margin included?
.box {
height: 120px;
padding: 25px;
border: 4px solid black;
margin: 10px;
}
Answer key
- 144
- 144
- 188
- 396
- False
- True
- True
- 76
- 312
- 128
- True
- 346
- space inside the border
- 292
- padding
- True
- padding
- 206
- the gap to other boxes
- the gap round content
- the text or picture
- 296
- 114
- space outside the border
- True
- the line round the box
- 108
- 122
- 264
- a solid or dotted edge
- False
- 96
- 228
- 166
- 164
- 288
- content
- 312
- 338
- 198
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