> ## Knowledge Base Index > Fetch the complete knowledge base index at: https://help.popup-builder.com/sitemap.xml > Use this file to discover available pages before exploring further. > Pure-Markdown content can be obtained by appending a '.md' suffix to the content URLs listed in the sitemap (without the trailing slash). # FAQ: How to create “Don’t show again” button # ${color}[#225fec](Question: ) I want to have a “Don’t show again” button for my Popup to hide it from the users that once see it. # ${color}[#ff8000](Answer: ) You can add the following CSS class to your CTA (Call to action) button to close the Popup for your specified time period: sg-popup-dont-show-30 “30” in the code is the number of days for cookie saving. You can change it to whatever you wish.