Considering the Following Code,explain in Detail What CSS Inheritance Is

Considering the following code,explain in detail what CSS inheritance is:
<nav>
<ul>
<li><a href = "index.htm" title = "JBCC Home">Home </a></li>
<li><a href = "login.htm" title = "Student Login">Student Login</a></li>
<li><a href = "about.htm" title = "About JBCC">About JBCC</a></li>
<li><a href = "contactus.htm" title = "Contact Us">Contact Us</a></li>
</ul>
</nav>