<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Title</title> <style> .box{ width: 1000px; height: 100px; margin: 100px; background-image: linear-gradient( 135deg, red 0%, black 25%, transparent 25%, transparent 50%, black 50%, black 75%, transparent 75% ); background-size:100px 100px; background-repeat:repeat; animation: change 1s linear infinite ; } @keyframes change { 0%{ background-position: -100px 0; } 100%{ background-position: 0px 0; } } </style> </head> <body> <div class="box"></div> </body>
效果如下: