fixed wrap problem on really wide screens

[albertlockett]

Description

On screen widths that are super wide, like ~>2000px, rounding up the 1000ths of a digit can add up to a full pixel and cause a row to wrap around

we had a layout something like this:

and up above 2000px the last column would wrap to the next row. Rounding down .66667 to .66666 solved it
...

Check List

instruction : terminal command

• run the build script grunt
• open index.html in a browser & resize to test visual issues