what is inline coding

Answer 1

Inline Style are CSS styles that are applied to one element using the STYLE attribute
eg.
to set text color of h1 element to blue
<h1style="color:blue;">Heading color is set to blue using inline.</h1>

Answer 2

inline css is when the css is writen in the style property of html ellement. For example
<div id="table" style="width:100px; height:200px; background-color:red"></div>