A hanging lamp with a pull cord: pressing tugs the cord down, releasing springs it back, and the bulb flickers on under a cone of light. The press is :active, the light is :checked.
Also known as: lamp pull switch css, pull chain light toggle, hanging lamp toggle.
<label class="tgl-pull-cord-lamp">
<input type="checkbox" role="switch" aria-label="Lamp">
<span class="tgl-pull-cord-lamp-lamp" aria-hidden="true">
<span class="tgl-pull-cord-lamp-beam"></span>
<span class="tgl-pull-cord-lamp-cord"></span>
<span class="tgl-pull-cord-lamp-bulb"></span>
<span class="tgl-pull-cord-lamp-shade"></span>
</span>
</label>.tgl-pull-cord-lamp {
--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-pull-cord-lamp input {
position: absolute;
inset: 0;
width: 100%;
height: 100%;
margin: 0;
opacity: 0;
cursor: pointer;
z-index: 1;
}
.tgl-pull-cord-lamp-lamp {
position: relative;
display: block;
width: 7em;
height: 7.4em;
}
/* ceiling cable and cap */
.tgl-pull-cord-lamp-lamp::before {
content: "";
position: absolute;
left: calc(50% - 0.05em);
top: 0.1em;
width: 0.1em;
height: 1.1em;
background: color-mix(in srgb, currentColor 55%, transparent);
}
.tgl-pull-cord-lamp-lamp::after {
content: "";
position: absolute;
left: calc(50% - 0.4em);
top: 1em;
width: 0.8em;
height: 0.4em;
border-radius: 0.2em 0.2em 0 0;
background: color-mix(in srgb, var(--c) 60%, #000);
}
.tgl-pull-cord-lamp-shade {
position: absolute;
left: 1.4em;
top: 1.3em;
width: 4.2em;
height: 1.8em;
clip-path: polygon(30% 0, 70% 0, 100% 100%, 0 100%);
background: linear-gradient(90deg,
color-mix(in srgb, var(--c) 65%, #000),
var(--c) 35%,
color-mix(in srgb, var(--c) 55%, #fff) 50%,
var(--c) 65%,
color-mix(in srgb, var(--c) 65%, #000));
}
.tgl-pull-cord-lamp-bulb {
position: absolute;
left: calc(50% - 0.55em);
top: 2.5em;
width: 1.1em;
height: 1.1em;
border-radius: 50%;
background: #d6d3d1;
transition: background-color 0.2s ease, box-shadow 0.2s ease;
}
.tgl-pull-cord-lamp-beam {
position: absolute;
left: 0.2em;
right: 0.2em;
top: 3em;
height: 4.3em;
clip-path: polygon(20% 0, 80% 0, 100% 100%, 0 100%);
background: linear-gradient(rgba(253, 224, 71, 0.6), rgba(253, 224, 71, 0));
opacity: 0;
transition: opacity 0.25s ease;
}
/* the cord starts behind the shade, so pulling it down never shows a gap */
.tgl-pull-cord-lamp-cord {
position: absolute;
left: 4.85em;
top: 2.3em;
width: 0.08em;
height: 2.4em;
background: color-mix(in srgb, currentColor 60%, transparent);
transition: transform 0.55s cubic-bezier(0.3, 1.9, 0.5, 1);
}
.tgl-pull-cord-lamp-cord::after {
content: "";
position: absolute;
left: -0.2em;
bottom: -0.55em;
width: 0.48em;
height: 0.62em;
border-radius: 45% 45% 50% 50%;
background: color-mix(in srgb, var(--c) 70%, #000);
}
.tgl-pull-cord-lamp:hover .tgl-pull-cord-lamp-cord { transform: translateY(0.12em); }
.tgl-pull-cord-lamp:active .tgl-pull-cord-lamp-cord {
transform: translateY(0.6em);
transition-duration: 0.12s;
transition-timing-function: ease-out;
}
.tgl-pull-cord-lamp input:checked + .tgl-pull-cord-lamp-lamp .tgl-pull-cord-lamp-bulb {
background: #fef9c3;
box-shadow: 0 0 0.6em 0.2em rgba(253, 224, 71, 0.75);
}
.tgl-pull-cord-lamp input:checked + .tgl-pull-cord-lamp-lamp .tgl-pull-cord-lamp-beam {
opacity: 1;
animation: tgl-pull-cord-lamp-flicker 0.6s linear;
}
@keyframes tgl-pull-cord-lamp-flicker {
0% { opacity: 0; }
10% { opacity: 0.8; }
20% { opacity: 0.15; }
35% { opacity: 1; }
45% { opacity: 0.5; }
60%, 100% { opacity: 1; }
}
.tgl-pull-cord-lamp input:focus-visible + .tgl-pull-cord-lamp-lamp {
outline: 2px solid var(--c);
outline-offset: 0.1em;
border-radius: 0.6em;
}
@media (prefers-reduced-motion: reduce) {
.tgl-pull-cord-lamp, .tgl-pull-cord-lamp *, .tgl-pull-cord-lamp::before, .tgl-pull-cord-lamp::after, .tgl-pull-cord-lamp *::before, .tgl-pull-cord-lamp *::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.