Import this line between <head>
... </head>
tags.
<link rel="stylesheet" href="https://cdn.holacon.com/holacon-widgets.css">
Import this lines between <body>
... </body>
tags.
<holacon-programs
id-event="6373f67142149e49cfa2c472"
id-application="5e2b3b73286bd618b47d1e6e"
language="en"></holacon-programs>
Import this line just before closing </body>
tag.
<script src="https://cdn.holacon.com/holacon-widgets.js"></script>