The border-box and content-box are the two different values of box-sizing property. The box-sizing property in CSS defines how the user should calculate the total width and height of an element i.e. padding and borders, are to be included or not. Content-box: This is the default value of the box-sizing property. In this mode, the width and height properties include only the… Continue reading How is the border-box different from the content-box in CSS.