HTML CSS
(a quick guide)
DIRECTLY ADD STYLES TO ELEMENT <p style="color:red"> Hello World! </p>
ADD STYLES IN THE DOCUMENT HEAD <head> <style> h1 { color: red } p { font-weight: bold } </style> </head>
LOAD EXTERNAL CSS FILES <head> <link rel="stylesheet" href="style.css"> </head>
IMPORT EXTERNAL CSS FILES <head> <style> @import url("style.css"); h1 { color: red } </style> </head>