@vaadin/vaadin-lumo-styles/src/utilities/filter.css

Lumo is a design system foundation for modern web applications, used by Vaadin components

/**
 * @license
 * Copyright (c) 2000 - 2026 Vaadin Ltd.
 * This program is available under Apache License Version 2.0, available at https://vaadin.com/license/
 */
/* === Backdrop filter === */
.backdrop-blur-none {
  backdrop-filter: blur(0);
}

.backdrop-blur-sm {
  backdrop-filter: blur(4px);
}

.backdrop-blur {
  backdrop-filter: blur(8px);
}

.backdrop-blur-md {
  backdrop-filter: blur(12px);
}

.backdrop-blur-lg {
  backdrop-filter: blur(16px);
}

.backdrop-blur-xl {
  backdrop-filter: blur(24px);
}

.backdrop-blur-2xl {
  backdrop-filter: blur(40px);
}

.backdrop-blur-3xl {
  backdrop-filter: blur(64px);
}