Adding bootstrap in empty ASP.NET Web Forms, without using NuGet package. Manually adding bootstrap and it's dependencies to an empty ASP.NET Web Form in Visual Studio 2017.
UPDATE 2018-03-18: This source code has beeen updated for Bootstrap 4 and .Net Framework 4.7.1
Steps by Step Guide: http://www.mytecbits.com/microsoft/dot-net/how-to-add-bootstrap-in-asp-net#WebFormsManual