Jeff

Easily and quickly add a logo and customize the login, logout, and register pages. Simple settings so a user can make adjustments quickly and easily without knowing any code. You can add a background image, set it to repeat or just leave it centered, choose the color of text, link hover, and whether to display the “forgot password” and “register” links.
Adding a custom logo gives your clients a fully customized experience, rounding out your work for a real professional look. Custom css for advanced users provides you with complete control over the display when creating your custom login, logout, and register pages.
Users can:
<ul>
<li>Upload/Add a logo</li>
<li>Set logo height</li>
<li>Set logo width</li>
<li>Set the space between the logo and the top of the form</li>
<li>View a preview of the selected logo</li>
<li>Set the link that the logo links to</li>
<li>Add a logo image title</li>
<li>Set the pages background color</li>
<li>Set the form’s background color</li>
<li>Set the small form’s (inner form) background color</li>
<li>Set a background image for the whole page. Set it to repeat or not</li>
<li>Preview the background image</li>
<li>Set text color</li>
<li>Set the links color</li>
<li>Set link hover color</li>
<li>Hide the links</li>
<li>Hide the back to blog link</li>
<li>Submit button background color</li>
<li>Submit button’s border color</li>
<li>Set your custom css for complete control</li>
</ul>
Language Translations
<ul>
<li>Nederlands</li>
<li>French </li>
</ul>
Works with WordPress v3.3 up to v4.8.1
Works on all hosting providers
No Dependencies
<ul>
<li>This plugin does not require any php extensions and can work with PHP v5.3.</li>
</ul>
Contact
<ul>
<li><a href="https://layer7web.com/contact/" rel="nofollow ugc">Layer 7 Web – Plugins</a></li>
</ul>

L7 Login Customizer

Customize your login, logout, and register pages. Add a custom logo and background image easily.

ishitaka

XO Post Background is a plugin to set background image and color for each post.
Background image details (size, position, etc.) and background color can only be set in WordPress 5.7 or higher block editors.

XO Post Background

XO Post Background is a plugin to set background image and color for each post.

L7 Login Customizer vs XO Post Background