This video tutorial goes over how to add custom logo support from the WordPress customizer.
Once you add custom logo support to your WordPress theme, you will be able to upload a custom logo from the WordPress Customizer from the Dashboard.
Below is the code that is used in this tutorial.
This tutorial goes over how to change the class that is on the custom logo.
This tutorial goes over how to add an icon that toggles the WordPress search box using jQuery.
This tutorial goes over how to add the WordPress featured image to your blog and single layout.