Style | HTML: Style tag used to modify the properties with their related values. Syntax: <tagname style ="property:value;"> </tagname> List of Modifications with Style: 1. Font Family, Font Size and color 2. Text align 3. Background color and 4. Horizontal line Here is the Style.html: <!DOCTYPE html> <html> <head> <title>style tag in Html</title> </head> <body style = "background-color:green;"> <hr> <h1>Font Family, Font Size and Color</h1> <h1 style = "font-family:cambria;"> Font Fomily in Html</h1> <h1 style = "font-size:50px;"> Font Size in Html</h1> <h1 style = "color:#FF0000;"> Color in Html...