Theme development

I installed ruby and gems using the rails installer.

This is the error I get.
http://i.gyazo.com/21da43b3d87a90a208799a5ed2910202.png

My Gem file

source 'https://rubygems.org'

group :development do

hi
i have developed few mobile friendly good looking themes in drupal 7. I want to upload them on drupal.
I search about it and found a very big guideline page.

Can someone put all the steps in brief here.

Hi all, i have in node link to webform http://www.bubak.cz/teslabyty/?q=node/16

In node-cenik.tpl.php i insert this

<a class="colorbox-node colorbox-load" href="node/25?height=500&width=432&iframe=true&objekt">Kontaktujte nás</a>

But if i push button "Kontaktujte nás", then show error...Any idea where is the problem? Or some solution?

Thanks a lot.

Hi all, how can i type a text after footer? I tried write some text in html.tpl.php before body tag. Bud didnt work...

Hi,

Can anyone tell me if it is possible to add the slideshow to all pages on Dark Elegant template and how can i do it ?

It is currently show only on the front page.

Thanks,

José Coutinho.

Hi all, how can i render field in node?
I tried this print render($content['field_pdf_detail_bytu']);

But didnt work. I need pdf file, but with another name link.

example>
<a href="link here">PDF</a>