CSS: Delete row header of input table for a specific table

I have several input table in my form, and I would like to delete/hide the row header of a specific table in my form?

I tried the CSS from the entry below and it deleted all the row headers for all tables in my form.

https://www.jotform.com/answers/1360092-Input-table-CSS-to-hide-table-row-headers

Thank you for your help.

We can try to check for other CSS code, specific for your form. Can you please link your form here and specify which header you would like to hide? 

https://form.jotform.me/90651031803447Hi, https://form.jotform.me/90651031803447https://form.jotform.me/90651031803447https://form.jotform.me/90651031803447https://form.jotform.me/90651031803447

The row header in table 'Itinerari Tugas/Kursus' on page 2.

And also,

My apologies, but I do not see an exact header you have mentioned. Is it the one? 

I have added codes to hide it:

#cid_94 > table > tbody > tr:nth-child(1) > th.form-matrix-column-headers.form-matrix-column_3 {

  display: none;

}

Guide: How-to-Inject-Custom-CSS-Codes

The other question will be answered in a separate thread: https://www.jotform.com/answers/1959686 

Hi, Thank you for your swift response.

Really sorry, I directed you to the wrong table. It is actually on the first page, it will be only visible when 'Luar Negara' field is checked (from Luar Negara). Below is the table I am referring to:

Currently I put a dot to the first column (which I want it to be removed) and look like this:

Thank you in advance for your support.

Okay, please try the following CSS to hide the first column:

.form-matrix-row-headers, #cid_124 > table > tbody > tr:nth-child(1) > th:nth-child(1) {

  display: none;

}