<html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>X3DOM Tutorials</title> <style> ul { list-style-type: none; padding: 0; margin: 0; } .button { text-decoration: none; display: block; width: 500px; height: 25px; color: black; background: lightgray; padding: 10px; text-align: center; border-radius: 5px; line-height: 25px; margin-bottom: 10px; font-family: sans-serif; } .button:hover { background-color: #4CAF50; color: white; } .center { display: flex; flex-direction: column; align-items: center; } </style> </head> <body> <ul class="center"> <li><a class="button" href="hellox3dom.html">hello X3DOM</a></li> <li><a class="button" href="coordinatesystem.html">coordinate system</a></li> <li><a class="button" href="transform.html">transform</a></li> <li><a class="button" href="colorbrewer.html">color brewer</a></li> <li><a class="button" href="colorbrewer2.html">color brewer 2</a></li> <li><a class="button" href="indexedfaceset.html">indexedfaceset</a></li> <li><a class="button" href="indexedfaceset2.html">indexedfaceset 2</a></li> <li><a class="button" href="ifsandmaterial.html">indexedfaceset and material</a></li> <li><a class="button" href="ifsandtexturecoord.html">indexedfaceset and texture coord</a></li> <li><a class="button" href="ifsandtextures.html">indexedfaceset and textures</a></li> <li><a class="button" href="treesdeciduous.html">trees deciduous</a></li> <li><a class="button" href="treesconifer.html">trees conifer</a></li> <li><a class="button" href="externalfile.html">external file</a></li> <!-- <li><a class="button" href="terrain.html">terrain</a></li> --> <li><a class="button" href="barchart.html">barchart</a></li> <li><a class="button" href="toytown.html">toy town</a></li> <li><a class="button" href="addnode.html">add node</a></li> </ul> </body> </html>