Introduction to CSS Box Model | Part 2 | Cheat Sheet CSS Box Properties 1. Border Width The CSS border-width property specifies the width of the border for all four sides of an HTML element. eg: .button { border-width: 2px; } The CSS Property and value pair border-width: 0px; removes the border of an HTML element. WARNING: Specifying the CSS border-style property for an HTML element is mandatory. Otherwise, the CSS properties like border-color , border-width will not appear in the browser. The HTML button element is an exception as it appears with a border in the browser by default. 2. Border Radius The CSS border-radius property specifies the roundness of the corners of an HTML element. eg: .button { border-radius: 20px; } You can use the below CSS properties to round a specific corner of an HTML element. Property: 1. border-top-left-radius 2. border-top-right-radius 3. border-bottom-right-radius 4. border-bo...