{{ULTP}} example

In PostX, you can add Custom CSS to style specific elements within a block. This option is available under the Block Advanced Settings in the Gutenberg editor.How to Use Custom CSS in PostX:

When applying styles to PostX blocks, you need to prefix your class with {{ULTP}} to ensure that the styles are applied correctly.Example:

Let’s say you want to change the background color of the post title inside a PostX block. You can add the following CSS in the Custom CSS field under Block Advanced Settings:

{{ULTP}} .ultp-block-title {
background-color: blue;
}

Image for reference