1. Have you read?:
https://startupwp.com/topic/setting-up-the-slider/
Referring to your other topic, the plugins are in the main package zip file, not the startuppro.zip file.
2. Under Appearance > StartupPro, contains all your theme-specific options.
In this case you want to scroll down to about the middle of the page to find:
“Custom Icons / Custom Contact – Set your own additional icons or contact details.” – Here is where you can set these details.
3. Looks like you found the footer menu which might be better for this purpose. If you still want to increase the footer widget link/text size, use:
#menu-footer-menu-1 a {
color: #666666;
font-size: 16px;
}Please see: https://startupwp.com/topic/customizing-your-theme/
No worries, that’s what we’re here for, to help everyone, from the complete beginner to expert programmers. StartupPro is likely the easiest and most extensible theme out there, it just sounds like you’re learning WordPress basics, which we’ll be here to help every step of the way.