Adjusting the dimensions of your popup is a crucial step in ensuring that it fits well within your website's layout and provides a good user experience. Follow these steps to change the width and height of your popup on Poper.ai:

- Sign in to your Poper.ai dashboard.

- Click on “+ New Popup” to start creating a new popup or select an existing popup from your list to edit.

- If creating a new popup, use the AI to generate a popup by entering your requirements and clicking “Create Popup” or choose from available templates by selecting “Choose from Templates”.

- From the available templates, select one that fits your campaign's needs.

- Once the template is selected, you’ll be taken to the editing interface where you can customize your popup further.

- In the editing mode, look for the "Global Settings" on the customization panel where you can find "Width" and "Height" settings.

- Click on the "Width" or "Height" input field and type in your desired dimensions in pixels, and percentages, or use the slider provided to adjust the size accordingly.

- As you adjust the width or height, the popup preview should immediately reflect the changes allowing you to review the new dimensions in real-time.

- After you’ve adjusted the dimensions to your satisfaction, ensure to save your changes by clicking the “Next” button or any other save option provided.

- It’s recommended to test the popup on your actual website to confirm the dimensions are appropriate and do not obstruct or distort the website’s content.

By following these steps, you can customize the width and height of your popups on Poper.ai to match your design preferences and ensure a seamless integration into your website.