<label class="switch">
<input type="checkbox" checked/>
<div class="indicator left"></div>
<div class="indicator right"></div>
<div class="button"></div>
</label>
body, html {
width: 100vw;
height: 100vh;
}
body {
background-image: linear-gradient(135deg, hsl(var(--hue) 20% 95%), hsl(var(--hue) 20% 80%));
display: flex;
align-items: center;
justify-content: center;
--hue: 220deg;
--width: 23rem;
--accent-hue: 22deg;
--duration: 0.6s;
--easing: cubic-bezier(1, 0, 1, 1);
}
input {
display: none;
}
.switch {
--shadow-offset: calc(var(--width) / 20);
position: relative;
cursor: pointer;
display: flex;
align-items: center;
width: var(--width);
height: calc(var(--width) / 2.5);
border-radius: var(--width);
box-shadow:
inset 10px 10px 10px hsl(var(--hue) 20% 80%),
inset -10px -10px 10px hsl(var(--hue) 20% 93%);
}
.indicator {
content: '';
position: absolute;
width: 40%;
height: 60%;
transition: all var(--duration) var(--easing);
box-shadow:
inset 0 0 2px hsl(var(--hue) 20% 15% / 60%),
inset 0 0 3px 2px hsl(var(--hue) 20% 15% / 60%),
inset 0 0 5px 2px hsl(var(--hue) 20% 45% / 60%);
}
.indicator.left {
--hue: var(--accent-hue);
overflow: hidden;
left: 10%;
border-radius: 100px 0 0 100px;
background: linear-gradient(180deg, hsl(calc(var(--accent-hue) + 20deg) 95% 80%) 10%, hsl(calc(var(--accent-hue) + 20deg) 100% 60%) 30%, hsl(var(--accent-hue) 90% 50%) 60%, hsl(var(--accent-hue) 90% 60%) 75%, hsl(var(--accent-hue) 90% 50%));
}
.indicator.left::after {
content: '';
position: absolute;
opacity: 0.6;
width: 100%;
height: 100%;
background: url("data:image/svg+xml;base64,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");
}
.indicator.right {
right: 10%;
border-radius: 0 100px 100px 0;
background-image: linear-gradient(180deg, hsl(var(--hue) 20% 95%), hsl(var(--hue) 20% 65%) 60%, hsl(var(--hue) 20% 70%) 70%, hsl(var(--hue) 20% 65%));
}
.button {
position: absolute;
z-index: 1;
width: 55%;
height: 80%;
left: 5%;
border-radius: 100px;
background-image: linear-gradient(160deg, hsl(var(--hue) 20% 95%) 40%, hsl(var(--hue) 20% 65%) 70%);
transition: all var(--duration) var(--easing);
box-shadow:
2px 2px 3px hsl(var(--hue) 18% 50% / 80%),
2px 2px 6px hsl(var(--hue) 18% 50% / 40%),
10px 20px 10px hsl(var(--hue) 18% 50% / 40%),
20px 30px 30px hsl(var(--hue) 18% 50% / 60%);
}
.button::before,
.button::after {
content: '';
position: absolute;
top: 10%;
width: 41%;
height: 80%;
border-radius: 100%;
}
.button::before {
left: 5%;
box-shadow: inset 1px 1px 2px hsl(var(--hue) 20% 85%);
background-image: linear-gradient(-50deg, hsl(var(--hue) 20% 95%) 20%, hsl(var(--hue) 20% 85%) 80%);
}
.button::after {
right: 5%;
box-shadow: inset 1px 1px 3px hsl(var(--hue) 20% 70%);
background-image: linear-gradient(-50deg, hsl(var(--hue) 20% 95%) 20%, hsl(var(--hue) 20% 75%) 80%);
}
input:checked ~ .button {
left: 40%;
}
input:not(:checked) ~ .indicator.left,
input:checked ~ .indicator.right {
box-shadow:
inset 0 0 5px hsl(var(--hue) 20% 15% / 100%),
inset 20px 20px 10px hsl(var(--hue) 20% 15% / 100%),
inset 20px 20px 15px hsl(var(--hue) 20% 45% / 100%);
}
This Pen doesn't use any external CSS resources.
This Pen doesn't use any external JavaScript resources.