why dont you use the shortcode generator, normally there are all icons and sections included.
For the contact form you can use this shortcode:
The allsider has no shortcode, because you can display it only in the header. To add the allslider to the header, please edit the page you want to show the slider, click the “Slideshows” tab in the settingsbox below the editor, choose a slider and the source.
Please take also a look at the documentation and the Knowledge Base: