Hello,
Currently the only theme in BoldGrid Inspirations that offers the ability to move the logo is Crio. 
Here are instructions for designing your header in Crio.

Hello Paul,

You should use this Custom CSS code in your Customize -> Advanced -> Custom JS & CSS menu, using these instructions.

Hello James-

Here's the Custom CSS rule you'll need to disable the sticky header:

@media only screen and (min-width: 768px) {
    .site-header { position: static; }
}

Hi Efi-

We'll release an update for this issue as soon as we can. Since you're using a non-BoldGrid theme, you probably don't need Inspirations enabled. Check out this video to see what to expect when you disable BoldGrid Inspirations:

Hello-

Using W3 Total Cache together with Autoptimize can cause conflicts because they both have CSS and Javascript minification capability. If you do want to use both of these together, make sure that you disable minification in Autoptimize.
Generally speaking, you should be careful when trying to use two minification solutions, because it can cause a fatal error if both are enabled. If you want to attempt this, be sure you're using a staging website and not your live website.

Hello Paul,

The background will be controlled by your Color Palette in Customize -> Colors, but if you just want to change this specific background, you can do so using Custom CSS.

In order to select just the page title background, use custom CSS similar to this:

.entry-title a { background: gray !important; }

This example just uses the keyword gray, but you can substitute a hexadecimal color code such as #808080 or the shade that matches your color palette.

I hope this helps!

Hello-

If your keyword appears in the Post Title, Easy SEO may not recognize it until the post is published or saved. In order to get around this, use the "Save Draft" button to update Easy SEO with your post title.

Hello Efi-
It looks like this may have been a conflict with the Theme Di Responsive. I've filed a bug report for our developers to review this issue.

In the meantime, you should try to disable the BoldGrid Inspirations plugin. Here are instructions for doing so via FTP or your host's file manager or using the command line.

Hello-

In order to access the premium sliders, make sure that you have the Post and Page Builder Premium extension installed and active as well. You can also file a premium support ticket if you need any help getting your premium subscription set up.