Apply this style to see the box structure of any layout. This CSS applies a red 1px border to ever element on a page.
<style> * {border: 1px solid red} </style><style>: This tag is used to define internal CSS. It contains the CSS rules that will be applied to the document.*: This is the universal selector in CSS. It selects all elements in the document.{border: 1px solid red}: This declaration sets a border for the selected elements. Specifically:border: This property is shorthand for setting all four borders (top, right, bottom, and left) of an element.1px: This specifies the width of the border.solid: This specifies the style of the border, making it a solid line.red: This sets the color of the border to red.