The knob is a little plane: switch it on and it takes off across the track, growing as it climbs, with a dashed contrail behind it and clouds drifting past while airplane mode is on.
Also known as: airplane mode switch css, flight mode toggle, plane toggle animation.
<label class="tgl-airplane-mode-toggle">
<input type="checkbox" role="switch" aria-label="Airplane mode">
<span class="tgl-airplane-mode-toggle-track" aria-hidden="true">
<span class="tgl-airplane-mode-toggle-trail"></span>
<span class="tgl-airplane-mode-toggle-plane">
<svg viewBox="0 0 24 24"><path transform="rotate(90 12 12)" d="M12 2c.9 0 1.5 1 1.5 2.2V9l7.5 4.6v2.1l-7.5-2.3v4.9l2 1.5v1.7L12 20.6l-3.5.9v-1.7l2-1.5v-4.9L3 15.7v-2.1L10.5 9V4.2C10.5 3 11.1 2 12 2z"/></svg>
</span>
</span>
</label>.tgl-airplane-mode-toggle {
--c: var(--tgl-color, #3b82f6);
font-size: var(--tgl-size, 24px);
position: relative;
display: inline-flex;
align-items: center;
cursor: pointer;
-webkit-tap-highlight-color: transparent;
}
.tgl-airplane-mode-toggle input {
position: absolute;
inset: 0;
width: 100%;
height: 100%;
margin: 0;
opacity: 0;
cursor: pointer;
z-index: 1;
}
.tgl-airplane-mode-toggle-track {
position: relative;
display: block;
width: 6em;
height: 2.6em;
border-radius: 1.3em;
overflow: hidden;
isolation: isolate;
background: color-mix(in srgb, currentColor 14%, transparent);
transition: background-color 0.4s ease;
}
/* two clouds drift past while flying */
.tgl-airplane-mode-toggle-track::before,
.tgl-airplane-mode-toggle-track::after {
content: "";
position: absolute;
left: 100%;
width: 0.5em;
height: 0.5em;
border-radius: 50%;
--cloud: color-mix(in srgb, var(--c) 45%, #fff);
background: var(--cloud);
box-shadow: 0.35em -0.18em 0 0.06em var(--cloud), 0.7em 0 0 0 var(--cloud);
opacity: 0;
transition: opacity 0.4s ease;
}
.tgl-airplane-mode-toggle-track::before { top: 0.5em; }
.tgl-airplane-mode-toggle-track::after { top: 1.65em; }
.tgl-airplane-mode-toggle-trail {
position: absolute;
left: 0.8em;
top: calc(50% - 0.06em);
width: 3.4em;
height: 0.12em;
background: repeating-linear-gradient(90deg, #fff 0 0.3em, transparent 0 0.55em);
opacity: 0.8;
transform: scaleX(0);
transform-origin: left;
transition: transform 0.6s cubic-bezier(0.6, 0, 0.3, 1);
}
.tgl-airplane-mode-toggle-plane {
position: absolute;
top: 0.3em;
left: 0.3em;
z-index: 1;
display: grid;
place-items: center;
width: 2em;
height: 2em;
color: color-mix(in srgb, currentColor 65%, transparent);
transition: transform 0.7s cubic-bezier(0.6, 0, 0.3, 1), color 0.3s ease;
}
.tgl-airplane-mode-toggle-plane svg {
display: block;
width: 1.6em;
height: 1.6em;
fill: currentColor;
filter: drop-shadow(0 0.04em 0.04em rgba(0, 0, 0, 0.25));
}
.tgl-airplane-mode-toggle input:checked + .tgl-airplane-mode-toggle-track { background: var(--c); }
.tgl-airplane-mode-toggle input:checked + .tgl-airplane-mode-toggle-track::before,
.tgl-airplane-mode-toggle input:checked + .tgl-airplane-mode-toggle-track::after {
opacity: 1;
animation: tgl-airplane-mode-toggle-drift 2.6s linear infinite;
}
.tgl-airplane-mode-toggle input:checked + .tgl-airplane-mode-toggle-track::after { animation-delay: -1.3s; }
.tgl-airplane-mode-toggle input:checked + .tgl-airplane-mode-toggle-track .tgl-airplane-mode-toggle-trail {
transform: scaleX(1);
transition-delay: 0.1s;
}
.tgl-airplane-mode-toggle input:checked + .tgl-airplane-mode-toggle-track .tgl-airplane-mode-toggle-plane {
transform: translateX(3.4em);
color: #fff;
}
.tgl-airplane-mode-toggle input:checked + .tgl-airplane-mode-toggle-track .tgl-airplane-mode-toggle-plane svg {
animation: tgl-airplane-mode-toggle-climb 0.7s cubic-bezier(0.4, 0, 0.3, 1);
}
@keyframes tgl-airplane-mode-toggle-climb {
0%, 100% { transform: scale(1); filter: drop-shadow(0 0.04em 0.04em rgba(0, 0, 0, 0.25)); }
50% { transform: scale(1.3); filter: drop-shadow(0.15em 0.35em 0.1em rgba(0, 0, 0, 0.2)); }
}
@keyframes tgl-airplane-mode-toggle-drift {
from { transform: translateX(0); }
to { transform: translateX(-8em); }
}
.tgl-airplane-mode-toggle input:focus-visible + .tgl-airplane-mode-toggle-track {
outline: 2px solid var(--c);
outline-offset: 0.2em;
}
@media (prefers-reduced-motion: reduce) {
.tgl-airplane-mode-toggle, .tgl-airplane-mode-toggle *, .tgl-airplane-mode-toggle::before, .tgl-airplane-mode-toggle::after, .tgl-airplane-mode-toggle *::before, .tgl-airplane-mode-toggle *::after {
animation-duration: 0.01ms !important;
animation-iteration-count: 1 !important;
transition-duration: 0.01ms !important;
}
}--tgl-color on the element or a parent.
Currently previewing #3b82f6.--tgl-size. Every other dimension is in
em, so the whole thing scales together. Currently previewing 24px.transition or animation
shorthand. Staggered delays are relative, so they keep their rhythm.