I am trying to create a 2 column grid, with literally a 50% with no margins or padding.
How do I achieve this with Bootstrap 3 I tried this but end up with negative
The more powerful (and 100% fluid) Bootstrap 3 grid now comes in 3 sizes. Tiny (for smartphones .col-), Small (for tablets .col-sm-) and Large (for laptops/desktops .col-lg-*). The 3 grid sizes enable you to control grid behavior on different devices (desktop, tablet, smartphone, etc..).
Unlike 2.x, Bootstrap 3 does not provide a fixed (pixel-based) grid. While a fixed-width layout can still be acheived using a simple custom wrapper, there is now only one percentage-based (fluid) grid. The .container and .row classes are now fluid by default, so don't use .row-fluid or .container-fluid anymore in your 3.x markup.
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