You can customize your widget feed layout by going into the "Layout" drop-down menu on the left side of the widget and choosing one of the several layout options, and additionally choosing the desired number of posts per page, padding size, and the number of columns.
More customization options can be found in the next drop-down menu "Widget Elements" such as title size, pagination, link button, and many more.
Once you will successfully make the changes in your widget, you will need to click on the top right "Save" button and the changes will be automatically shown on your website where the widget is embedded.
Additional customization can be made with the Custom CSS section and you can learn more about this in the following article: How to add Custom CSS in your responsive website builder.
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