Update index.html

index.html

@@ -50,9 +50,8 @@ <h1>Slides Dev Web<span>HE-Arc 2023/24</span></h1>
 <div class=chapter><a href='12-risques.html' class='left'>
 Risques
 </a><a href='12-risques.pdf' class='right'>PDF</a></div>
-<div class=chapter><a href='13-rails.html' class='left'>
-Rails
-</a><a href='13-rails.pdf' class='right'>PDF</a></div>
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+
 <!--
 <a href='book.pdf' class='book'>Livre complet</a>
 -->
@@ -70,6 +69,8 @@ <h2>
                 </h2>
             </footer>
         </div><!-- /container -->
-       <a href="https://github.com/HE-Arc/slides-devweb"><img style="position: absolute; top: 0; right: 0; border: 0;" src="https://camo.githubusercontent.com/a6677b08c955af8400f44c6298f40e7d19cc5b2d/68747470733a2f2f73332e616d617a6f6e6177732e636f6d2f6769746875622f726962626f6e732f666f726b6d655f72696768745f677261795f3664366436642e706e67" alt="Fork me on GitHub" data-canonical-src="https://s3.amazonaws.com/github/ribbons/forkme_right_gray_6d6d6d.png"></a>
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+<style>#forkongithub a{background:#e30613;color:#fff;text-decoration:none;font-family:arial,sans-serif;text-align:center;font-weight:bold;padding:5px 40px;font-size:1rem;line-height:2rem;position:relative;transition:0.5s;}#forkongithub a:hover{background:#ff2020;color:#000;}#forkongithub a::before,#forkongithub a::after{content:"";width:100%;display:block;position:absolute;top:1px;left:0;height:1px;background:#fff;}#forkongithub a::after{bottom:1px;top:auto;}@media screen and (min-width:800px){#forkongithub{position:absolute;display:block;top:0;right:0;width:200px;overflow:hidden;height:200px;z-index:9999;}#forkongithub a{width:200px;position:absolute;top:60px;right:-60px;transform:rotate(45deg);-webkit-transform:rotate(45deg);-ms-transform:rotate(45deg);-moz-transform:rotate(45deg);-o-transform:rotate(45deg);box-shadow:4px 4px 10px rgba(0,0,0,0.8);}}</style><span id="forkongithub"><a href="https://github.com/HE-Arc/slides-devweb">Fork me on GitHub</a></span>
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     </body>
 </html>