Hover Button Effects

<!DOCTYPE html> <html> <head> <title></title> </head> <body> <a href="#">Button <span></span> <span></span> <span></span> <span></span> </a> <style type="text/css"> body{ margin: 0px; padding: 0px; display: flex; justify-content: center; align-items: center; height: 100vh; font-family: sans-serif; background-color: #000; } a{ position: absolute; display: block; padding: 20px 40px; text-transform: uppercase; text-decoration: none; color: #fff; font-size: 24px; letter-spacing: 2px; overflow: hidden; } a:before{ content: ''; position: absolute; width: 100%; height: 100%; top: 0px; left: -100%; background: #fff; transition: 0.5s; transition-delay: 0.5s; } a:hover:before{ left: 100%; } a span:nth-child(odd){ position: absolut...