What does box-sizing: border-box do?
Understanding box-sizing: border-box in CSS
box-sizing: border-box changes the way the width and height of an element are calculated. With this value, the element's width and height include the content, padding, and border, so the total size remains as specified without adding extra space for padding or border.
Example of Border-Box
Benefits of Border-Box
Ensures element total size matches the specified width and height.
Simplifies layout calculations, especially with padding and borders.
Prevents unexpected growth of elements due to padding or border.
Recommended for consistent box sizing across layouts.