I have found a solution. Need to find and edit the jimu.js/jimu-theme.css file. I have added the following code to make it work. .esriPopupWrapper .sizer{ width:350px !important; }
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Hi Kevin, I would like to know which files you had to edit. I am using the Web App Builder for Developer as well. I have been trying to edit the jimu.css and the mapmanager.js, but both unsuccessfully. Thanks for your help.
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