This is not currently available by default.  This is more related to reporting rather than notification.
There is abandoned orders extension that is available in in admin-> extensions -> extension store 

You did not follow instructions and messed up the code.   
Use attached file to replace file on your cart.

Abolabo meant to say, you need to use admin interface to edit text. This is a unique feature in AbanteCart.

You can quickly locate  text using quick search at the top right corner of the admin and click to edit.

Watch this quick video to help you understand how it works:

Image widths are set based on settings in admin -> system -> settings -> appearance.

If you want to remove this in the code you can edit following file for specials that are shown on the main page:
storefront/controller/pages/product/special.php

Edit following lines:
               $thumbnail = $resource->getMainThumb('products',
                                     $result['product_id'],
                                     $this->config->get('config_image_product_width'),
                                     $this->config->get('config_image_product_height'),true);



What version of AbanteCart do you use?

Thank you for your feedback. We will consider your comments in futures upodates

What makes you think we require PHP 5.3?
AbanteCart is still on PHP 5.2 min requirement

Additional templates are working as extensions and all files related to template are located in extension or extensions/template2 in case of template 2

You can locate CSS file in: extensions/template2/storefront/view/template2/stylesheet/stylesheet.css

To edit background locate and edit:
body {
    background: none repeat scroll 0 0 #FFFFFF;
    color: #000000;
    font: 12px Tahoma,Arial,Helvetica;
    margin: 0;
    padding: 0;
}