yTransform : change the Arrange pop-up window

Explanation how works the application : This application removes letters in several words to help user memorize texts. In order to help learning lessons, the program displays any text file sentence per sentence, and only shows start letters for a few words. The user must type remaining letters. Explanation of the task : Sometimes the presentation must be adapted and the app ask to the user if he's agree. The purpose of this task is to modify this pop-up window. In screenhot 1 : what's appears currently In screenhot 2 : what's appears after to click on yes in a pop-up window the pop-up window must show the modification of présentation, for that the user can choose if he wants it. In the pop-up : there must be no ___. All letters must be displayed reproduce the alternance of colors, as it would be if I accepted the proposed change