Button Border Animation code: 1.index.html: <!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <title>Button Hover Effect</title> <link rel="stylesheet" href="style.css"> </head> <body> <a href="#"><span></span>Button</a> </body> </html> 2.style.css: body { margin: 0; padding: 0; background: black; } a { position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%); width: 180px; height: 50px; background: black; text-transform: […]