Here\'s the About.cshtml from the default MVC 3 template:
@{ ViewBag.Title = \"About Us\"; } About Put content here.
Put content here.
Just another thought.
If you want to have your own cshtml file as a common template, you can do it this way
cshtml
Within your _viewstart.cshtml you can mention your common cshtml file.
_viewstart.cshtml
@{Layout = "~/Views/Shared/_Layout.cshtml";}