Theme development

Hey dears,
I just installed a new theme from Template Toaster and connected it with server,but whenever I try to refresh it,its show 500 server Error.

Everything was working properly but dnt know the issue solution now.I am just thinking is it because of drupal old version as i am using the older version or because of theme compatibility ?

Can Any one help me out of it.I really need your help !

Hi

I have a custom theme that when seen on localhost displays the submenus correctly. But when i upload this theme to my online site the submenus do not show. I have created menu items on Main navigation using add link. And I can use drag and drop to make another link a submenu of the above link. I have also ticked the 'Show as expanded' option on the parent item. But when viewing source i don't even see the ul elements inside of li of the parent item. Exactly the same code generates the expanded menu in localhost.

hey,

can someone help me with the making of a subtheme?

I followed a few tutorials but with no succes. I also read the documentation on drupal.org and a few topics in the forum but it is all confusing to me.

can someone give me some good guidelines?

this is what i have:

My: .info.yml
bartik_subtheme.info.yml

name: Bartik_subtheme
type: theme
description: 'mytheme theme based on Bartik'
core: 8.x
package: custom
base theme: bartik
libraries:
- Bartik_subtheme/global-styling

I need display text, if field field_product_brand contain XX. In template.php I have this code:

In new drupal 8 mayo, there is no possibility to set header height(( I'm noob in coding. Please tell what to do?

Hi all, I'm still new to Drupal.

I'm using Bootstrap 3 and looking to add some glyphs next to my Main Navigation menu, but don't know the best way to go about it. Can anyone point me in the right direction?