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Increase text field length of matrix question incl. one column (professional user)

Difficulty level: Difficult

What does the functionality do?

Using a script, you can increase the width of the text column in the matrix questions of a survey.

Use case and how to set it up?

Assume you have a one-column matrix question in the survey and have the Text question type configured for the rows. This would be structured roughly as follows:

In order to increase the size of the text fields in the various rows throughout the matrix questions of a survey, you must include a script in the Hint text. The procedure is as follows:

  • Select the required matrix question from the survey to display the corresponding set-up data for this matrix question on the right.
  • Tick the box next to Hint text and click in the input box displayed below.
  • Click on the Rich text editor link at the top right of the input box to reveal the RTE window.
  • Click on the Code View icon in this window.
  • Insert the cursor into the input box and add the following script:

<style type="text/css">
 .rt-container .rt-matrix-container table .rt-mtx-choice-has-open label + .rt-mtx-open-container {
  width: 100%;


  • Click the Save changes button at the bottom of the window to immediately resize the text fields for all matrix questions, see image below.

Updated on November 16, 2022

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