# Pop-ups

**Pop-ups** allow you to customize the style of pop-ups in the theme.

1. From your Shopify admin, go to **Online Store** **->** **Themes**.
2. Find the theme that you want to edit, and then click **Customize**.
3. Click **Theme Settings ->** **Pop-ups.**

**Border**

<table><thead><tr><th width="208">Setting</th><th>Description</th></tr></thead><tbody><tr><td>Thickness</td><td>Set the width of an dropdown's four borders. Can be from 0px to 24px, increasing arithmetically of 1px (pixel). </td></tr><tr><td>Opacity</td><td>Sets the opacity level for an dropdown's four borders. Can be from 0% to 100%, increasing arithmetically of 5%. </td></tr><tr><td>Corner radius</td><td>Set the radius of the dropdown's corners. Can be from 0px to 40px, increasing arithmetically of 1px (pixel). </td></tr></tbody></table>

**Shadow**

<table><thead><tr><th width="207">Setting</th><th>Description</th></tr></thead><tbody><tr><td>Opacity</td><td>Sets the opacity level for an dropdown's shadow. Can be from 0% to 100%, increasing arithmetically of 5%. </td></tr><tr><td>Horizontal offset</td><td>The horizontal offset of the shadow. A positive value puts the shadow on the right side of the dropdown, a negative value puts the shadow on the left side of the dropdown. Can be from -40px to 40px, increasing arithmetically of 1px (pixel). </td></tr><tr><td>Vertical offset</td><td>The vertical offset of the shadow. A positive value puts the shadow below the dropdown, a negative value puts the shadow above the dropdown. Can be from -40px to 40px, increasing arithmetically of 1px (pixel). </td></tr><tr><td>Blur</td><td>The blur radius. The higher the number, the more blurred the shadow will be. Can be from 0px to 40px, increasing arithmetically of 5px (pixel). </td></tr></tbody></table>