--- title: "On-site creative guidelines" slug: "on-site-creative-guidelines" updated: 2026-06-08T21:28:46Z published: 2026-06-08T21:28:46Z canonical: "docs.xtremepush.com/on-site-creative-guidelines" --- > ## Documentation Index > Fetch the complete documentation index at: https://docs.xtremepush.com/llms.txt > Use this file to discover all available pages before exploring further. # On-site creative guidelines > [!NOTE] > Maximum file size > > All files uploaded to the platform must be smaller than 2MB. On-site messages can be created as alert or pop-up style. Guidelines are provided for each style. ## Alert - **Suggested dimensions**: 256x256 px (must be squared) - **Valid image formats**: PNG, JPG (JPEG), GIF ![786](https://cdn.document360.io/b056e88b-f6c1-4bd2-b5b8-08e9336a17c9/Images/Documentation/f61a51c-Screenshot_2022-10-12_at_17.28.45(1).png?sv=2026-02-06&spr=https&st=2026-11-11T14%3A58%3A53Z&se=2026-11-11T15%3A58%3A53Z&sr=c&sp=r&sig=pSeO%2FcZDaLyNX8Y3NR37hkmqkuO8ahkEC8GTt03JpLg%3D) ## Pop-up For pop-ups we recommend that you create a number of templates that implement your brand guidelines for pop-ups, with different button types (e.g., two-button CTA). On those templates, you can set brand colours as outlined below. First navigate to the templates section (**Content > Templates**) and select on-site message: ![2854](https://cdn.document360.io/b056e88b-f6c1-4bd2-b5b8-08e9336a17c9/Images/Documentation/a09dc61-Screenshot_2021-08-20_at_10.47.04(1).png?sv=2026-02-06&spr=https&st=2026-11-11T14%3A58%3A53Z&se=2026-11-11T15%3A58%3A53Z&sr=c&sp=r&sig=pSeO%2FcZDaLyNX8Y3NR37hkmqkuO8ahkEC8GTt03JpLg%3D) Once in the editor select pop-up and click on the paint brush to edit the colour palette used for key components. ![1358](https://cdn.document360.io/b056e88b-f6c1-4bd2-b5b8-08e9336a17c9/Images/Documentation/014e686-create_onsite_template_image(1).png?sv=2026-02-06&spr=https&st=2026-11-11T14%3A58%3A53Z&se=2026-11-11T15%3A58%3A53Z&sr=c&sp=r&sig=pSeO%2FcZDaLyNX8Y3NR37hkmqkuO8ahkEC8GTt03JpLg%3D) This graphic illustrates how settings map to the various components of the pop-up: ![1358](https://cdn.document360.io/b056e88b-f6c1-4bd2-b5b8-08e9336a17c9/Images/Documentation/917c93c-onsite_colors_image(1).png?sv=2026-02-06&spr=https&st=2026-11-11T14%3A58%3A53Z&se=2026-11-11T15%3A58%3A53Z&sr=c&sp=r&sig=pSeO%2FcZDaLyNX8Y3NR37hkmqkuO8ahkEC8GTt03JpLg%3D) Once you have templates setup with the default colour values, you can add images when creating individual pop-up campaigns. ### Image dimensions - **Dimensions**: The maximum image size is 2000x2000 px. The image height setting (auto by default) will resize the displayed image proportionately. - **Valid image formats**: PNG, JPG (JPEG), GIF (animated too) ![493](https://cdn.document360.io/b056e88b-f6c1-4bd2-b5b8-08e9336a17c9/Images/Documentation/f0909d4-onsite_message_example(1).png?sv=2026-02-06&spr=https&st=2026-11-11T14%3A58%3A53Z&se=2026-11-11T15%3A58%3A53Z&sr=c&sp=r&sig=pSeO%2FcZDaLyNX8Y3NR37hkmqkuO8ahkEC8GTt03JpLg%3D)