Q:

customize bootstrap widths do not know how

I need to implement the following custom widths for a website I am creating but not clear on how to do this to override the bootstrap defaults:

width of website: 1590px;
container width: 1530px;
column gutters: 30px;
column widths: 230px;

I know that you should not touch the bootstrap default css file, so if I create a custom.css file, what do I put it in it?
I dont know LESS/SASS though. 

A:

First I recommand not to use a fixed width in pixels for the container, because then you loose responsive behavior. Use a percentage value instead (default is 100%), define a max-width: 1590px; for container and use a padding: 0 30px; for the left and right spacing.
In Bootstrap all columns use percentage values, too. A column of 230px width you get by using the col classes for 1/6 ( see more here: http://getbootstrap.com/css/#grid-options) 
And the gutter-width of 30px is the Bootstrap default gutter-width, 15px left & right.

