#shadow CSS effects

5,548 free, pure-CSS effects match the "shadow" tag. Each is copy-ready and needs no library or build step.

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Thunderstorm Night

Dark stormy night tooltip with electric lightning accent.

#hover #gradient #transform

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Topaz Yellow

Topaz yellow gem tooltip above the trigger.

#hover #gradient #transform

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Toxic Waste

Toxic green ooze tooltip with neon glow above the trigger.

#hover #transform #shadow

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Turquoise Sea

Bright turquoise tooltip reminiscent of clear sea water.

#hover #transform #shadow

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User Card

User card tooltip with avatar and details above the trigger.

#hover #gradient #transform

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Valentine Heart

Romantic pink valentine heart tooltip.

#hover #gradient #transform

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Vaporwave Tip

Vaporwave pink-cyan gradient tooltip above the trigger.

#hover #gradient #transform

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Vintage Postage

Vintage postage stamp tooltip with perforated edges.

#hover #transform #shadow

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Violet Dream

Soft violet dreamy tooltip above the trigger.

#hover #gradient #transform

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Volcano Erupt

Volcano-erupt tooltip with molten red-orange glow.

#hover #gradient #transform

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Winter Snowflake

Frosty winter-snowflake tooltip with cool blue tones.

#hover #gradient #transform

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Wood Grain

Wood-grain texture tooltip above the trigger.

#hover #gradient #transform

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Yellow Sticky

Yellow sticky note tooltip with shadow above the trigger.

#hover #transform #shadow

Live preview Toggles

1P / 2P

Single-player mode becomes two-player co-op.

#transform #shadow

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Acid Drip

Toxic green knob leaves a corrosive trail as it slides.

#gradient #transform #shadow

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Acoustic / Electric

Acoustic guitar plugs in to become electric.

#transform #shadow

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Acoustic / Mute

Acoustic guitar knob becomes a mute speaker on the green track.

#transform #shadow

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Acrylic Clear

Transparent acrylic knob with sharp glossy edges.

#gradient #transform #shadow

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Agate Band

Banded agate with layered color stripes.

#gradient #transform #shadow

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Alarm / Snooze

Shaking alarm clock settles into a snooze Z.

#animation #transform #shadow

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Alexandrite Shift

Alexandrite color-shift from green to red-violet.

#gradient #transform #shadow

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Allegro / Adagio

Knob spins fast (allegro) or slow (adagio) on the emerald track.

#animation #gradient #transform

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Allow / Block

Allow check knob becomes a block sign on the rose track.

#transform #shadow

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Ally / Enemy

Ally handshake knob becomes an enemy fist on toggle.

#transform #shadow

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AM / PM

Morning AM flips to evening PM with a sun arc.

#gradient #transform #shadow

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Amber Fossil

Amber fossil with trapped prehistoric inclusion.

#gradient #transform #shadow

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Amber Sun

Amber sun glow with radiant warm knob.

#gradient #transform #shadow

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Amber Veil

Soft amber veil with honey-tinted knob.

#gradient #transform #shadow

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Amethyst / Citrine

Purple amethyst knob shifts to a sunny citrine yellow.

#gradient #transform #shadow

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Amethyst Spark

Sparkling amethyst purple with crystal facet.

#gradient #transform #shadow

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Amethyst Violet

Amethyst violet crystal with mystic glow.

#gradient #transform #shadow

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Anchor / Drift

Anchor knob morphs into a speedboat as the track lightens.

#transform #shadow

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Anodized Aluminum

Anodized aluminum with vibrant colored oxide layer.

#gradient #transform #shadow

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Anonymous / Named

Ghost knob becomes a name tag when identity is revealed.

#transform #shadow

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Apple / Banana

Round apple curves into a crescent banana.

#transform #shadow

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Aqua Bubble

Floating aqua bubble with iridescent rim glow.

#gradient #transform #shadow

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Arcade Coin

Retro arcade coin slot activates when the coin drops.

#gradient #transform #shadow

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Armed / Disarmed

Shield arms red or disarms to neutral.

#transform #shadow

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Arpeggio / Chord

Three dots light up in sequence (arpeggio) or all at once (chord).

#transform #shadow

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Arrive / Depart

Arrow-shaped knob slides with a motion blur filter as track turns blue.

#transform #shadow #filter

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Arrow Pierce

Sharp arrow knob pierces through the track when fired.

#gradient #transform #shadow

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Ascend / Descend

Knob enlarges and glides as the track warms from gray to amber.

#transform #shadow

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Ascend / Peak

Knob ascends diagonally to the peak on toggle.

#transform #shadow

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Asteroid Belt

Scattered rocks align into an orbiting belt.

#transform #shadow

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Asteroid Spin

Rough asteroid knob tumbles through space when active.

#gradient #transform #shadow

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Atom Spin

Electron orbits ignite around a nucleus.

#animation #transform #shadow

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Audio On / Off

Speaker emits sound waves or goes silent.

#transform #shadow

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Aurora Borealis

Northern lights shimmer over an emerald knob.

#animation #gradient #transform

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Aurora Glow

Soft polar aurora glow swells behind the sliding knob.

#gradient #transform #shadow

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Aurora Shimmer

Soft aurora shimmer dances across the polar night.

#animation #gradient #transform

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Aurora Veil

Northern lights shimmer across the track as the glowing knob slides.

#animation #gradient #transform

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Auth / Anonymous

Key auth knob becomes a ghost when anonymous on the indigo track.

#transform #shadow

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Autumn / Winter

Autumn leaf turns into a delicate winter snowflake.

#gradient #transform #shadow

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Available / Busy

Green available dot turns to an amber busy one.

#transform #shadow

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Azure Sky

Clear azure sky blue with drifting cloud knob.

#gradient #transform #shadow

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Backup / Restore

Backup disk knob becomes a restore recycle on the teal track.

#transform #shadow

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Badge / Clear

Notification badge count clears away to empty.

#animation #transform #shadow

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Bamboo Green

Fresh bamboo green stalk with light knob.

#gradient #transform #shadow

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Basic / Expert

Single star upgrades to a triple-star expert rank.

#transform #shadow

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Bass / Snare Drum

Bass guitar knob becomes a snare drum on the indigo track.

#transform #shadow

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Bass / Treble

Equalizer knobs favor low bass or high treble.

#gradient #transform #shadow

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Beat / Rest

Knob throbs like a heartbeat while the beat plays.

#animation #transform #shadow

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Beat / Silence

Pulsing beat dot flatlines into silence.

#animation #transform #shadow

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Beat / Still

Heartbeat knob goes still on the rose track when toggled.

#animation #transform #shadow

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Begin / End

Gradient sweeps blue to purple as the knob slides with a subtle skew.

#gradient #transform #shadow

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Bell / Silent

Ringing bell tips over with a slash for silent mode.

#animation #transform #shadow

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Berth / Sail

Anchored berth knob becomes a sailing boat on the blue track.

#transform #shadow

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Beryl Sea

Sea-green beryl gem with aqua clarity.

#gradient #transform #shadow

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Bike / Scooter

Bicycle swaps to an electric kick scooter.

#transform #shadow

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Binary / Quantum

0/1 binary knob superposes into a quantum sphere on toggle.

#gradient #transform #shadow

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Black Hole

Light bends around the gravitational pull of a black hole.

#gradient #transform #shadow

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Black / White

Inverts from black-on-white to white-on-black.

#transform #shadow #border

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Bloodstone Dark

Dark green bloodstone with red speckles.

#gradient #transform #shadow

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Bloom / Wilt

Blooming flower knob wilts on the pink track when toggled.

#transform #shadow #filter

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Blue / Orange

Cool blue track warms up to vibrant orange.

#transform #shadow

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Bolt Strike

Lightning bolt crackles across the track when struck.

#animation #gradient #transform

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Bolt Tighten

Hexagonal bolt rotates and tightens into place.

#gradient #transform #shadow

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Bomb / Mine

Bomb knob becomes a hidden mine on the dark track.

#transform #shadow

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Bond / Sever

Handshake bond knob breaks into a shattered heart on toggle.

#transform #shadow

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Bored / Excited

Yawning boredom flips to starry-eyed excitement.

#transform #shadow

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Boss / Minion

Boss crown knob shrinks to a minion dot on toggle.

#transform #shadow

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Bounce / Settle

Knob bounces energetically into place then settles.

#transform #shadow

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Bow / Arrow

Bow knob releases an arrow that flies across the track.

#transform #shadow

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Branch / Tag

Branch knob becomes a tag on the green track.

#transform #shadow

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Brass / Platinum

Yellow brass knob shifts to a cool platinum shine.

#gradient #transform #shadow

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Brass / Woodwind

Trumpet knob becomes a saxophone on the gold track.

#transform #shadow

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Brave / Scared

Lion roars brave while a mouse scurries scared.

#transform #shadow

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Breeze / Still

Leaf sways in a breeze then rests still when off.

#animation #transform #shadow

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Bridge / Chorus

Bridge emoji becomes a chorus of people on the teal track.

#transform #shadow

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Bridge / Route

Bridge knob becomes a winding route on the cyan track.

#transform #shadow

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Bright / Dim

Filter brightness sweeps from full to dim on the amber track.

#transform #shadow #filter

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Brighten / Dim

Knob brightens with glow then dims on the yellow track.

#transform #shadow #filter

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Sun Brightness Rings

A dim sun ignites and casts two rotating dashed light rings when bright.

#shadow #border #transform

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Broadcast / Narrow

Megaphone knob narrows into a target on the orange track.

#transform #shadow

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