Step1: click color setting -> selete module divider -> click [ none ] button to delete the background color of the divider.
Step2: Click BG/Radius/Divider -> selete Button Radius / Divider -> selete Module Divider Height -> drag the slider to get a big value, then you will get the divider.
Please check the edit manage, if the edit content is active, modules can not draggable, just click edit layout to enable the function.
Please see the bellow screenshots of the folder digith_template_builder, and find the [file] folder under the server/php, then use some FTP software to connect your webspace, give that folder a permission like bellow, please do not worry about the security of your webspace, only .html file can be upload into your server, and the file will be delete Immediately after the page loaded into the main window.
Open the php.ini, and find "file_uploads", make sure the value is " on ", and can setting other value like bellow:
max_execution_time = 100 max_input_time = 100 memory_limit = 32m file_uploads = on
just Click the edit content button above the page window again before you refresh the page.
just click the [ edit layout ] button above the page window and drag/click/duplicate the module to creat a new one, then click the [ edit content ] button, you will find now the CKeditor toolbar will works ok for this module, and now you can delet the module which toolbar not work.
This is because the text you paste to the page may has its own style, so , i suggest use the [ paste as plain text ] tool of the CKeditor , you will find every thing will ok.