CSS (Cascading Style Sheets) To add Styles to HTML Styles-->adding colors,fonts,size,borders etc.., Css is not a programming language.Css is not a Markup language either. CSS is a Style Sheet Language. CSS is a rule-based language. How to define Style for HTML Elements 1.In Line <h1 style="color:red"> Priya </h1> 2.By Using Style Tag: <html> <head> <style type="text/css"> h1{ color:blue; } </style> </head> <h1> Boopathi </h1> 3.keep separate CSS file name as Style.CSS h1{color:red} name as index.html <html> <head> <link rel="stylesheet" href="styles/style1.css"> </head> <h1> Priya </h1> 4.Basic Structure Of CSS tagname{ property:value; } eg.…