<style>
tag
Contains CSS style rules that apply to the document. Usually placed in <head>.
Syntax
<style> CSS rules here </style>
Example
html
<head>
<style>
body {
font-family: Arial, sans-serif;
margin: 0;
padding: 0;
}
h1 {
color: #333;
}
.highlight {
background-color: yellow;
}
</style>
</head>