Create HTML for Metro Css Ui grid

In the text box 'Distribution columns' write the numbers separated by a comma, so that their sum gave 12th. The greater the number of 12, the column will be wider. It may well be just the number 12, then 1 column fills the entire available width. The program will generate html code with a selected number and width of columns.

To determine how the subway works with CSS grid look at:

Distribution columns:
Count of rows: