<!DOCTYPE html> <html lang="en-US"> <head> <title>test of border-image-source: linear-gradient with border-image-repeat</title> <style> div { border: 30px solid black; border-image: linear-gradient(to bottom right, red, blue); width: 180px; height: 180px; } div.border60round { border-image-repeat: round; border-image-slice: 60; } div.border60fillround { border-image-repeat: round; border-image-slice: 60 fill; } div.border30fill2round { border-image-repeat: round; border-image-slice: 30 fill; border-image-width: 2; } </style> </head> <body> <div class="border60round"></div> <div class="border60fillround"></div> <div class="border30fill2round"></div> </body> </html>