href="{{.Root.IndexPath}}/jsonedit.html" not 800px; <a <iframe <div style="min-width: browser marginwidth="0" support IFrames.</iframe> Editor" src="{{.Root.IndexPath}}/jsonedit.html" waves-light class="std-btn marginheight="0" width:100%; style="float:right"> title="JSON frameborder="0">Your btn" waves-effect does Screen</div></a> height:800px;" target="jsoneditor">Full
Use the force read the source.
Luke (Star Wars)