Change the color of zammad theme

[juliels]

Infos:

• Used Zammad version: V3.5
• Used Zammad installation source: (source, package, …) package
• Operating system: centos
• Browser + version: chrome

Expected behavior:

• change the color of zammad theme to a lighter shade of grey , to avoid the complains from my agents and my managers

Actual behavior:

• I dont know how I could do it , I have access to /opt/zammad/app/assets/stylesheets
  directory and know I dont know which file should I alter.

Steps to reproduce the behavior:

the left bar is too dark

[awedor]

You can change elements of the website by adding a custom stylesheet to /opt/zammad/app/assets/stylesheets/custom. After you created your stylesheet you have to run zammad run rails assets:precompile followed by a zammad restart.
After that you hit F5 in your browser and you should see your changes.
I too modified the visibility of the menu items but not by changing the gray background but by changing the text and icon color slightly.
Here’s my menu customization:

.menu-item {
 color:rgba(240,250,255,0.50);
}

.user-menu-icon {
 fill:#7e7e7e;
}

.menu-item-icon {
 fill:#7e7e7e;
}

It’s only a subtle change but raises the readability enough and still looks modern.
Please note: after updating from 3.4 to 3.5 the stylesheet was still present in the custom folder but my changes weren’t applied to the site any longer. I simply had to run the above mentioned command again to make it reappear.