Dark, glassmorphic circular knob with an intense orange inner glow, particle effects emitting from the bottom, and a digital value display in the center.

Cinematic Black Magic Volume Knob

demo & code

This Cinematic Black Magic Volume Knob pushes the boundaries of modern CSS, creating a tangible, high-fidelity control element. It combines a standard range input with advanced CSS Houdini features like @property and wide-gamut P3 colors. The result is a glowing, liquid-like interface where turning the dial triggers a cascade of particles and dynamic lighting effects, perfect for premium audio applications or dashboards.

Level: Advanced
Browser Support: Chrome 118+, Edge 118+, Firefox 120+, Safari 17.4+ (Partial)
Holographic trading card with 3D tilt effect and iridescent gradients using CSS @property and mask-image for shimmering lines.

Holographic 3D Interactive Card

demo & code

This Holographic 3D Interactive Card is a premium UI component inspired by rare physical trading cards. It features a sophisticated depth effect where the logo floats independently from the iridescent background, reacting dynamically to mouse movements or touch input. The use of modern CSS APIs ensures high-performance rendering of complex gradients and masks, creating a truly immersive “collectible” feel for digital assets.

Level: Advanced
Browser Support: Chrome 85+, Edge 85+, Safari 16.4+, Firefox 128+
Dark UI cards with angled bottom corners and a passing light beam effect on the border, demonstrating CSS corner-shape.

Beveled Corner Glow Cards

demo & code

This Beveled Corner Glow Card component demonstrates the bleeding edge of CSS UI styling. It primarily utilizes the new corner-shape property to create chamfered (angled) edges without complex clip-paths, while implementing a sophisticated CSS Mask fallback for older engines. The interaction features a “scanning” light beam effect on the border, powered by CSS Houdini for buttery smooth interpolation.

Level: Advanced
Browser Support: Chrome 120+, Edge 120+, Firefox 120+, Safari 17+
A circular 3D carousel of rounded images floating in a dark void, following a complex mathematical curve driven by pure CSS.

Trigonometric 3D Orbit Gallery

demo & code

This Trigonometric 3D Orbit Gallery is a stunning example of “Code Art,” demonstrating the raw power of modern CSS mathematics. Instead of relying on rigid keyframes for positioning, it uses parametric equations to place and animate 32 images along a complex, fluid 3D curve in real-time, creating a perpetual motion machine effect purely with stylesheets.

Level: Advanced
Browser Support: Chrome 111+, Edge 111+, Safari 16.4+, Firefox 113+
A UI layout with multiple gray placeholder blocks being swept by a single, perfectly aligned white light beam moving across the entire screen.

Synchronized Pure CSS Skeleton Loader

demo & code

This Synchronized Pure CSS Skeleton Loader pushes the boundaries of modern CSS by creating a unified “shimmer” effect that sweeps across multiple disparate elements simultaneously. Unlike standard skeleton loaders that animate each block independently, this implementation ensures a single, globally aligned gradient flow using advanced CSS math and Houdini properties.

Level: Advanced
Browser Support: Chrome 111+, Edge 111+, Safari 16.4+, Firefox 128+
Retro 80s scene with a neon sun, scrolling grid floor, palm trees, and the back of a DeLorean car driving into the horizon

Pure CSS Synthwave 80s Animation

demo & code

This Pure CSS Synthwave 80s Animation captures the nostalgic aesthetic of the 1980s retrowave genre. It features a complete animated scene: an infinite neon grid, a setting sun with scanlines, shaking palm trees, and a DeLorean driving into the distance. The scene is brought to life with a driving synthwave audio track and intricate CSS-only motion.

Level: Advanced
Browser Support: Chrome 60+, Edge 79+, Firefox 55+, Safari 11+
Uninvert Kitty

Uninvert Kitty

An interactive spotlight reveal where the cursor controls a negative mask and a physical 3D tilt effect.

See the Pen Uninvert Kitty.

Grainy Gradient Text with CSS Houdini

Grainy Gradient Text with CSS Houdini

A holographic typography effect achieved through CSS Houdini properties to animate complex gradient coordinates. The text features a grainy texture generated by SVG noise filters and blended with conic and radial gradients using background-blend-mode: color-burn, creating a shimmering, fluid color movement clipped directly to the character shapes.

Minimalist CSS Toggle Switch

Minimalist CSS Toggle Switch

This is a pure CSS toggle switch, utilizing :before and :after pseudo-elements to render the track and thumb. It demonstrates effective state management via the :checked pseudo-selector and smooth transitions on all elements for a highly responsive and clean effect.

See the Pen Minimalist CSS Toggle Switch.

Skeuomorphic Like Button

Skeuomorphic Like Button

An advanced “Like” button micro-animation based on CSS @property, where custom variables are used to animate the numbers and the icon.

See the Pen Skeuomorphic Like Button.

Cursor Following Halftone Rings with CSS @property

Cursor Following Halftone Rings with CSS @property

A cursor effect creating dynamic halftone rings is implemented using CSS Custom Properties and transition properties for smooth mouse-following, requiring minimal JavaScript to update coordinates.

High-Performance CSS Countdown

High-Performance CSS Countdown

A high-performance, CSS-driven countdown showcasing variable-based theming and complex keyframe animations, where a small JS utility only activates the final celebratory effect.

See the Pen High-Performance CSS Countdown.

Noisy Image Gallery Navigation with Custom JS

Noisy Image Gallery Navigation with Custom JS

An interactive horizontal gallery featuring non-standard click-based navigation on side images. The main feature is Vanilla JS tracking clicks and mousemove to dynamically calculate and apply CSS transformations for centering the selected element.

Glass / Gel Style Range Slider

Glass / Gel Style Range Slider

Experience a fluid, animated Range Slider with four vibrant, themeable styles (Rainbow, Ice, Sunset, Slime), powered by Svelte and cutting-edge CSS-only effects.

See the Pen Glass / Gel Style Range Slider.

Multiple Popovers with Anchor Positioning and @property

Multiple Popovers with Anchor Positioning and @property

An advanced UI flow demonstrating the power of the native HTML Popover API for sequential dialogs, utilizing the toggle event and hidePopover() in Vanilla JS to create smooth, zero-dependency popover chaining with custom spring and fade CSS animations.

Pure CSS Loader #10/2020 - No SVG Arcs

Pure CSS Loader #10/2020 - No SVG Arcs

An elegant loader built purely with CSS/SASS that leverages CSS Houdini’s @property to define and smoothly animate custom numeric properties, enabling a high-performance rotation and hue-shifting loop.

Pure CSS Loader #11/2020 - Ripples

Pure CSS Loader #11/2020 - Ripples

Spectacular animated ring loader built on the advanced capabilities of CSS Houdini to define and smoothly transition custom properties, enabling complex and dynamically changing geometry via conic and radial gradients.

Color Wheel Loader using Animated Custom Properties

Color Wheel Loader using Animated Custom Properties

Advanced CSS animation utilizing ten-point delays (nth-child) to create a ripple effect and showcasing CSS Houdini capabilities for animating length and angle values.

Damped Menu Bar using CSS @property

Damped Menu Bar using CSS @property

A superb demonstration of physically accurate damped oscillation animation, achieved using a registered CSS property (@property --progress) that controls trigonometric functions within calc() to drive the elements’ 3D movement.

3D Sphere with Dynamic Shadow

3D Sphere with Dynamic Shadow

This demo shows how to create a realistic 3D sphere effect using pure CSS, without SVG or 3D transformations. The effect is achieved through gradients (radial-gradient), shadows (box-shadow), pseudo-elements (::before, ::after) for highlights and shadows, and dynamic variables (@property) for animation.

See the Pen 3D Sphere with Dynamic Shadow.

Pure CSS Slideshow

Pure CSS Slideshow

A unique CSS-only image slider that uses advanced CSS properties like @property and :has() to control image transitions and UI elements. The background-position and nested radio buttons simulate a complex, fragmented image reveal effect without any JavaScript.

See the Pen Pure CSS Slideshow.

CSS Var Only Sidebar Toggle

CSS Var Only Sidebar Toggle

This animated sidebar is built entirely with pure CSS using modern features. The key is @property for a smooth width transition and the :has() selector to track a checkbox’s state, enabling animation control without a single line of JavaScript.

See the Pen CSS Var Only Sidebar Toggle.

Sliding Images Using Animation-timeline

Sliding Images Using Animation-timeline

This scroll-driven animation effect is built entirely with CSS Scroll-Driven Animations, using animation-timeline: scroll(). It smoothly translates and transforms elements based on scroll position, creating a dynamic and high-performance parallax effect without JavaScript.

CSS Art Panda

CSS Art Panda

An elegant example of semantic markup, where every element is styled and animated using CSS. The technical foundation includes clip-path, CSS custom properties, and animated pseudo-elements for each visual layer.

See the Pen CSS Art Panda.

Customizable HTML and CSS Select

Customizable HTML and CSS Select

Dive deep into modern CSS form control by styling a <select> element’s internal parts like ::picker and ::picker-icon, enhanced with a dynamic hue-rotating border animated via @property.

See the Pen Customizable HTML and CSS Select.

Earth with Pure CSS

Earth with Pure CSS

A showcase of advanced CSS capabilities for creating stunning 2D animations. It uses CSS @property for smooth property transitions, allowing you to animate box-shadow and other elements without compromising performance.

See the Pen Earth with Pure CSS.

CSS-Only Counter Demoexternal link

A pure CSS number counter leveraging CSS Houdini’s @property to animate an integer custom property.

Pure CSS Animated FF Conf Logoexternal link

A futuristic 3D data block where scrolling digital “circuits” are simulated purely in CSS by animating the background-position of linear-gradient patterns.

Animated Border Gradient Glow

Animated Border Gradient Glow

An animated rainbow border effect with a neon glow, implemented using @property, conic-gradient, and SVG filters. The @keyframes animation smoothly changes the --a CSS variable, which controls the hue in the conic-gradient, creating a continuous color transition.

See the Pen Animated Border Gradient Glow.

Scroll Mask Indicatorsexternal link

A modern and clean way to indicate scrollability: the “fade-to-mist” effect is implemented using mask-image and linear-gradient, while key parameters of the fade phase are precisely tuned using @property.

Pure CSS Responsive Hex Gridexternal link

An adaptive hexagonal grid without media queries, built on Container Queries, where the column count and the position of each element are calculated in CSS via complex calc() functions. The code demonstrates progressive enhancement - with a fallback to @property and a tan(atan2()) math trick to emulate division in older browsers.

Character Choose with Preview Card Animation (CSS Sprites)external link

A sophisticated CSS-only character selector and sprite animator inspired by Minecraft. It leverages CSS Houdini and advanced math functions to drive complex frame-by-frame sprite animations, while :has() selectors manage state changes for character selection, direction toggling, and dynamic FPS adjustment, complete with real-time stats via CSS counters.

CSS Image Stack Cycleexternal link

An exceptionally complex image slider/stack UI component, fully implemented via CSS custom properties and CSS Houdini to allow the animation of abstract numerical values; the system uses complex mathematics to control the 3D stacking order, the “fly-out” effect, and random rotation, creating a looping, cascading stack with smooth transitions.

Shuffling Effect in Pure CSSexternal link

Efficient layout using CSS Grid to stack cards on top of each other, with dynamic layer control via z-index and the :has() selector to determine the position of the next element; the image animation includes movement and straightening of the rotation upon selection.

CSS Bookmarkexternal link

A state-driven animation, controlled via the “checkbox hack,” showcases the power of CSS @property (Houdini) for smoothly animating gradients and mask properties. A complex multi-layered bookmark shape is created with an SVG mask, while the entire activation effect choreography is built on synchronized @keyframes.

RGB Keyboard with Dark Mode

RGB Keyboard with Dark Mode

A detailed, volumetric, and animated keyboard model that smoothly changes its backlighting and reacts to user actions, demonstrating the power of CSS for creating 3D objects.

See the Pen RGB Keyboard with Dark Mode.