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<!DOCTYPE html> <html> <head> <style> h1 { border-bottom-style: solid; border-bottom-width: thin; } div { border-style: solid; border-bottom-width: thin; } </style> </head> <body> <h1>A heading with a thin bottom border</h1> <div>A div element with a thin bottom border.</div> <p><strong>Note:</strong> Always declare the border-bottom-style or the border-style property before the border-bottom-width property. An element must have a border before you can change the color.</p> </body> </html>
