The internal style sheet is used to add a unique style for a single document. It is defined in <head> section of the HTML page inside the <style> tag.
<style> body{ background-color: pink; } h1 { padding-left:30%; font-size:30pt; background-color:deeppink; color:aliceblue; } h2 { color: deeppink; } p { color: aliceblue; } hr { border-top: 3px dashed deeppink; } </style>