css

Optional. Adds style classes for the component

css?: string;

Example

<style>
    .custom {
        --dhx-background-primary: #efefef;
    }
</style>

<script>
    const dhxWindow = new dhx.Window({
        height: 400,
        width: 400,
        title: "window",
        css: "custom",
        html,
    });
    
    dhxWindow.show();
</script>

Related sample: Window. Styling (custom CSS)

Note, that the DHTMLX library provides a set of own CSS classes that you can also apply to change the appearance of Window:

const dhxWindow = new dhx.Window({
    title: "Window", 
    css:"dhx_window--bordered"
}); 

dhxWindow.show();

Related articles:

List of CSS classes for styling a widget
Themes

Example​

Example