You can edit / change the code and click run button <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <style> p.first { border-style: solid; border-width: 15px; border-color: green; } p.second { border-style: solid; border-width: medium; border-color: red; } p.third { border-style: solid; border-width: 5px; border-color: blue; } </style> <script>var clicky_site_ids = clicky_site_ids || []; clicky_site_ids.push(101319977);</script><script async src="//static.getclicky.com/js"></script> <p class="first">Paragraph one</p> <p class="second">Paragraph two</p> <p class="third">Paragraph three</p>