How to create Underline Input Text Field using CSS ? Last Updated : 23 Jul, 2025 Comments Improve Suggest changes Like Article Like Report Input Text Field can be underlined by implementing different approaches to applying a bottom border to an input text field, using various methods such as HTML and CSS. Styling input text fields is a crucial aspect of web development, and adding a bottom border is a common way to enhance the visual appeal of these elements. Table of Content Using CSS border-bottom PropertyUsing CSS border-bottom Property with Pseudo-elementsUnderstanding the text-decoration PropertyUsing CSS border-bottom PropertyThe simplest way to add a bottom-border to an input text field is by using CSS. You can achieve this effect with the border-bottom property. Example: HTML <!DOCTYPE html> <html lang="en"> <head> <title> How to Apply Bottom Border to Input Text Field? </title> <style> body { text-align: center; } input { border: none; border-bottom: 5px solid green; } </style> </head> <body> <form> <label for="password"> Password: </label> <input type="password" id="password" name="password" required> <button type="submit">Submit</button> </form> </body> </html> Output: Using CSS border-bottom Property with Pseudo-elementsYou can use pseudo-elements to target specific parts of an element and style them accordingly. Here, we'll use the ::after pseudo-element to create a bottom border. Example: HTML <!DOCTYPE html> <html lang="en"> <head> <title> How to Apply Bottom Border to Input Text Field? </title> <style> body { text-align: center; } input:hover { border: none; border-bottom: 5px solid green; } </style> </head> <body> <form> <label for="password"> Password: </label> <input type="password" id="password" name="password" required> <button type="submit">Submit</button> </form> </body> </html> Output: Understanding the text-decoration PropertyThe text-decoration property in CSS is used to set or remove decorations from text. In this case, we'll use it to create an underline for an input text field. HTML <!DOCTYPE html> <html lang="en"> <head> <title>Underlined Input Field</title> <style> body { text-align: center; } input#password { border: none; outline: none; padding: 5px; font-size: 16px; border-bottom: 5px solid green; } </style> </head> <body> <form> <label for="password"> Password: </label> <input type="password" id="password" name="password" required> <button type="submit">Submit</button> </form> </body> </html> Output: Comment More infoAdvertise with us V vkash8574 Follow Improve Article Tags : Web Technologies CSS Geeks Premier League CSS-Questions Geeks Premier League 2023 +1 More Similar Reads CSS Tutorial CSS stands for Cascading Style Sheets. It is a stylesheet language used to style and enhance website presentation. 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