Primer CSS Box Row Themes Last Updated : 19 Apr, 2022 Summarize Comments Improve Suggest changes Share Like Article Like Report Primer CSS Box is a container that has a white-colored background, rounded corners, and a grey border on all four sides. In this article, we will be seeing Primer CSS Box Row Themes. The background color of each row in a box can be changed individually. We can also specify the row color on hover or navigation focus. Primer CSS Box Row Themes Classes: Box-row--gray: This class is used to set the background color of the row to gray.Box-row--hover-gray: This class is used to set the hover color of the row to gray.Box-row--focus-gray: This class is used to set the focus color of the row to gray.Box-row--blue: This class is used to set the background color of the row to blue.Box-row--hover-blue: This class is used to set the hover color of the row to blue.Box-row--focus-blue: This class is used to set the focus color of the row to blue.Box-row--yellow: This class is used to set the background color of the row to yellow. Note: The focus color classes activate when the row also has a navigation-focus class. This can be used when you want to use some event to focus the row. Syntax: <div class="Box"> <div class="Box-row Box-row--gray"> ... </div> </div> Example 1: This example shows how to use the background and hover color classes mentioned above. HTML <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" content= "width=device-width, initial-scale=1.0"> <title>Row Themes - Primer CSS</title> <link href= "https://unpkg.com/@primer/css@^16.0.0/dist/primer.css" rel="stylesheet" /> </head> <body> <div class="text-center"> <h2 style="color:green">GeeksforGeeks</h2> <strong>Primer CSS - Row Themes</strong> </div> <div class="d-flex flex-justify-center"> <!-- Primer CSS Box --> <div class="Box mt-5"> <div class="Box-row Box-row--gray"> Gray box row </div> <div class="Box-row Box-row--hover-gray"> This row will turn gray when hovered </div> <div class="Box-row Box-row--blue"> Blue Box Row </div> <div class="Box-row Box-row--hover-blue"> This row will turn blue when hovered </div> <div class="Box-row Box-row--yellow"> Yellow box row </div> </div> </div> </body> </html> Output: Example 2: This example shows the use of the focus color classes with and without the navigation-focus class. HTML <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" content= "width=device-width, initial-scale=1.0"> <title>Row Themes - Primer CSS</title> <link href= "https://unpkg.com/@primer/css@^16.0.0/dist/primer.css" rel="stylesheet" /> </head> <body> <div class="text-center"> <h2 style="color:green">GeeksforGeeks</h2> <h4>Primer CSS - Row Themes</h4> </div> <div class="d-flex flex-justify-center"> <!-- Primer CSS Box --> <div class="Box mt-5"> <div class="Box-row Box-row--focus-gray"> Gray Focus color class without navigation focus </div> <div class="Box-row Box-row--focus-blue"> Blue Focus color class without navigation focus </div> <div class="Box-row Box-row--focus-gray navigation-focus"> Gray Focus color class with navigation focus </div> <div class="Box-row Box-row--focus-blue navigation-focus"> Blue Focus color class with navigation focus </div> </div> </div> </body> </html> Output: Reference: https://primer.style/css/components/box#row-themes Comment More infoAdvertise with us V vpsop Follow Improve Article Tags : Web Technologies CSS Primer-CSS Primer-CSS Component Similar Reads Non-linear Components In electrical circuits, Non-linear Components are electronic devices that need an external power source to operate actively. 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