How to set Default CSS Settings for HTML <h1> to <h6> Tags

Change the default CSS settings to see the effect.

index.html

Example: HTML

<style>
h1 { 
  display: block;
  font-size: 2em;
  margin-top: 0.67em;
  margin-bottom: 0.67em;
  margin-left: 0;
  margin-right: 0;
  font-weight: bold;
}
</style>

Output should be:

Type:	html
Category:	Web Tutorial
Sub Category:	HTML Tag
Uploaded by:	Admin