Should Box Sizing or Border Box Be Used or Not in CSS?
In CSS, the box-sizing property determines how the width and height of an element are calculated. There are two main options: box-sizing: content-box (default) and box-sizing: border-box.
Content-box
With content-box, the width and height of an element only include its content, not its padding or border. This means that if you specify a width of 100px for an element with 10px of padding on each side, the total width of the element will be 120px.
Border-box
With border-box, the width and height of an element include its content, padding, and border. This means that if you specify a width of 100px for an element with 10px of padding on each side, the total width of the element will be 100px.
Which One Should You Use?
There are pros and cons to both methods.
- Content-box is simpler to understand and is the default behavior.
- Border-box is easier to work with when you want to specify the exact size of an element, including its padding and border.
Ultimately, the best choice for you depends on your specific needs. If you need to precisely control the size of an element, border-box is a good option. If you prefer a simpler approach, content-box is a good choice.
Related Questions
- What is the default value of
box-sizing?content-box
- When should you use
border-box?- When you need to precisely control the size of an element.
- What is the main difference between
content-boxandborder-box?border-boxincludes padding and border in the element's width and height, whilecontent-boxdoes not.
- Can
box-sizingbe applied to any element?- Yes
- Is
border-boxsupported by all modern browsers?- Yes
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