# Appearance

Beefree SDK enables you to customize the appearance of a variety of elements. Reference the following sections to learn more about how you can customize appearance:

<table data-view="cards"><thead><tr><th></th><th></th><th></th><th data-hidden data-card-target data-type="content-ref"></th></tr></thead><tbody><tr><td><strong>Content Defaults: D</strong>efine how content looks when dragged into an email or page.</td><td></td><td></td><td><a href="appearance/content-defaults">content-defaults</a></td></tr><tr><td><strong>Custom Sidebar Position:</strong> Choose whether to display the builder sidebar on the left or on the right side of the screen.</td><td></td><td></td><td><a href="appearance/custom-sidebar-position">custom-sidebar-position</a></td></tr><tr><td><strong>Content Title Sorting:</strong> Change the order of the content tiles in the editor’s sidebar.</td><td></td><td></td><td><a href="appearance/content-tile-sorting">content-tile-sorting</a></td></tr><tr><td><strong>Content Title Grouping:</strong> Group content tiles in the editor’s sidebar.</td><td></td><td></td><td><a href="appearance/content-tile-grouping">content-tile-grouping</a></td></tr><tr><td><strong>Loading Spinner Theme:</strong> Choose between a dark and light theme for the loading animation</td><td></td><td></td><td><a href="appearance/loading-spinner-theme">loading-spinner-theme</a></td></tr><tr><td><strong>Custom Tab Layout:</strong> Re-organize the way tabs are ordered.</td><td></td><td></td><td><a href="appearance/custom-tab-layout">custom-tab-layout</a></td></tr><tr><td><strong>Themes:</strong> Change the builder’s appearance when rendered within your application</td><td></td><td></td><td><a href="appearance/themes">themes</a></td></tr><tr><td><strong>Custom CSS:</strong> Define a custom look and feel through a CSS stylesheet</td><td></td><td></td><td><a href="appearance/custom-css">custom-css</a></td></tr></tbody></table>