We occasionally update the styles of the Web Builder’s editing interface to improve its look and feel and the user experience. The most recent update took place in April 2026.

To also align the look and feel of extensions such as the Content Browser, the column editor, or the social cards with our new styles, proceed as follows.

For the colors of the light theme, we recommend the following values:

For the dark theme, we recommend the following values:

We recommend styling Web Builder extensions using the “Inter” font family. Remember to make sure that the added font file doesn’t end up in your website’s initial page load.