.demo-shell{--source-presentation-amount: .6}.demo-shell .demo-editor:not([data-preview-ready]) .demo-picture:after{--source-presentation-strength: clamp(0, var(--source-presentation-amount), 1);--source-presentation-contrast: calc(1 - .32 * var(--source-presentation-strength));--source-presentation-brightness: calc(1 - .08 * var(--source-presentation-strength));content:"";position:absolute;inset:0;background:url(../assets/startup/initial-24e3990fb22b76b2.webp) center / contain no-repeat;pointer-events:none;clip-path:inset(0 calc(100% - var(--split)) 0 0);filter:saturate(calc((1 - .558 * var(--source-presentation-strength)) / var(--source-presentation-contrast))) contrast(calc(var(--source-presentation-contrast) / var(--source-presentation-brightness))) brightness(var(--source-presentation-brightness))}