create a matrix with columns formatted differently

Do you refer to the field Entries on the form 61542987985879?

If not please let us know more details so we can be of more assistance.
If you would like to have columns with different widths, please add the following css code:

#input_7_0_0 {

    width : 60px !important;

    }

#input_7_0_1 {

    width : 80px !important;

    }

#input_7_0_2 {

    width: 120px; !important;}

#input_7_0_3 {

    width: 120px; !important;}

#input_7_0_4 {

    width: 120px; !important;}

#input_7_0_5 {

    width: 120px; !important;}

#input_7_0_6 {

    width : 80px !important;

}

You can adjust the blue highlighted values to your needs.

Let us know if we can assist you further.