SiteBackgrounds, Effects & CSS Oddities · CSS generators
Twenty parameterised generators for CSS-only shapes, ribbons, tooltips, gradient shadows, section dividers and fancy borders.
Why it’s a gem
Gradient shadows and CSS-only ribbons that most developers still fake with images
Over six hundred loading animations, each built from a single div using only CSS and custom properties.
Generator producing the soft multi-stop mesh gradients popularised by AI product marketing sites, exportable as CSS.
Browser generator that produces layered CSS for realistic glass refraction effects, exporting the rules straight into your stylesheet.
Drag-and-drop builder for CSS grid layouts with adjustable columns, rows and gaps that exports the resulting grid rules.
Interactive reference where every CSS selector is demonstrated live against a sample DOM you can modify.
Draw a grid visually by setting columns, rows and gaps, then drag child areas and copy the generated CSS.