Balint Toth

Hello!

I have checked your site, and it looks like that you should be able to increase the content width with this custom css code:

.sidebar .entry-header, .sidebar .entry-content, .sidebar .entry-summary, .sidebar .entry-meta {
  max-width: 1160px!important;
  padding: 0 376px 0 60px;
}

The original max-width value was 1040 pixels, I have increased it so this way it is aligning with the first menu item in your top menu and the left side text in your footer.

You should create a child theme and paste this code inside your child theme’s style.css file. Here is a video tutorial I have made which shows you how can create a child theme: Video tutorial

If you need any more help, just drop a line here and I am happy to help.

Greetings,
Balint

Hello!

For the first and second question of yours, it can be done with adding custom css to your site. The best way to do that is by creating a child theme, because that way you can ensure that your changes won’t be lost when you update your theme or WordPress. You can find a good instruction how to create a child theme here:
codex.wordpress.org/Child_Themes

Here is the necessary css for your changes:

.site {
	background-color: #C8F8D5;
}

.menu-menu-container {
	background-color: #00ffff;
}

You can change the #xxxxxx values, those are determining the colors. You can use this online color picker for choosing the colors you want:
http://www.colorpicker.com/

Regarding your third question, yes. I have wrote a blog post regarding this issue: When Caching Is Your Worst Enemy

If you have any more questions, just post them here.

Greetings,
Balint

Hello!

The related css rule is this:

#main-navigation .sf-menu a {
    border-bottom: 5px solid #52C0D4;
    color: #333333;
    display: block;
    font-size: 1.25em;
    font-weight: bold !important;
    margin: 0;
    padding: 0.75em 1em;
    text-decoration: none;
    text-transform: capitalize;
}

It is should be around line 120 at /wp-content/themes/mesocolumn/lib/scripts/superfish-menu/css/superfish.css

Let me know if you have any more questions.

Greetings,
Balint

Hello!

Could you please share a link to your site, so I could take a look at it, and hopefully provide you with the necessary css?

For any image to appear transparent, it has to be a .png image, with the transparent parts already set up in some photo editing software, so make sure that your image is set up this way.

Greetings,
Balint

Hello!

If you have a backup file, than in most cases you can do the restore manually. In the case of a css file, it should be really easy.
I am not familiar with this plugin specifically, but almost every backup plugins creates it’s backups the same way. If you open the backup file in Dropbox, or wherever it is (it is usually some sort of compressed file), it should contain the folders and files of your wordpress installaion, with the same structure as in the wp-content' folder on your hosting account if you open it with an FTP software. I don't know what theme you are using, but in WordPress every theme is in the folderwp-content/themes/*your theme’s name*/. If you open that folder, there should be yourstyle.cssfile. In order to restore that, you will have to simply upload thatstyle.css` from the backup to your hosting account with your FTP software, overwriting the current style.css file there. And basically that’s it, your style.css is restored.

Greetings,
Balint

Hello!

I personally don’t use any of these.

Regarding deactivating plugins, if I am understanding your issue right, you can deactivate a plugin by opening your site’s content with an FTP software, going to wp-content/plugins/, and if you rename a plugin folder’s name for example from woocommerce to woocommerce-deact or anything different from the original, WordPress cannot find the plugin, so it will automatically deactivate them, and you should be able to access everything. Then, of you rename the folder names to the original ones, you will be able to activate them one by one.

Greetings,
Balint

Hello!

I have installed the theme on one of my test site, and I was able to change the footer text by in the WordPress backend going to Appearance->Customize and opening the Footer box, like in this screenshot:
http://d.pr/i/Zd8K

Regarding the editor issue, I cannot see it because you have posted a link to your WordPress backend, which means for accessing it one needs the admin login info to your site… I was unable to recreate the issue on my test site. Could you please share a screenshot of the error?

If there is any other things I can help you with, just let me know.

Greetings,
Balint