Answers for "where to code html and css"

style.css in html

put in the <header> tag:

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

CSS IN HTML

<!-- There are 3 ways to do this-->

<!-- #1: Inline CSS-->
<h1 style="color: red;">Red Heading</h1>

<!-- #2 Element CSS-->
<style>
  h1 {
    color: red;
  }
</style>
<h1>Red Heading</h1>

<!-- #3 Stylesheet CSS-->
<link rel="stylesheet" href="[stylesheet link]">

css in html

<!-- EXAMPLE -->
<div class="your_class" style="display:none">

<!--[SYNTAX: style="<CSS-code>"] -->