Кнопка h5p: download, export.

<a class="h5p-link" href="http://h5p.org" target="_blank" title="Visit H5P.org to check out more cool content."></a>

h5p-action-bar.js

/home/.../sites/all/modules/h5p/library/js

 

// Register action bar buttons
if (displayOptions.export) {
// Add export button
addActionButton('download', 'export');
}
if (displayOptions.copyright) {
addActionButton('copyrights');
}
if (displayOptions.embed) {
addActionButton('embed');
}
if (displayOptions.icon) {
// Add about H5P button icon
H5P.jQuery('<li><a class="h5p-link" href="http://h5p.org" target="_blank" title="' + H5P.t('h5pDescription') + '"></a></li>').appendTo($actions);
hasActions = true;
}