Answers for "how to write css in an html file"

how to link css to html

<link rel="stylesheet" href="styles.css">

add css file in html

/*
Adding css file into html document
*/

<link rel="stylesheet" type="text/css" href="yourstylesheetname.css">  /* add this line into head tag of the file with change in file name. */

/*
I hope it will help you.
Namaste
*/