57 lines
1.3 KiB
Markdown
57 lines
1.3 KiB
Markdown
---
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title: Toggle switch
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tags: visual,interactivity
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cover: interior-5
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firstSeen: 2018-10-03T08:55:20+03:00
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lastUpdated: 2020-12-30T15:37:37+02:00
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---
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Creates a toggle switch with CSS only.
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- Use the `for` attribute to associate the `<label>` with the checkbox `<input>` element.
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- Use the `::after` pseudo-element of the `<label>` to create a circular knob for the switch.
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- Use the `:checked` pseudo-class selector to change the position of the knob, using `transform: translateX(20px)` and the `background-color` of the switch.
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- Use `position: absolute` and `left: -9999px` to visually hide the `<input>` element.
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```html
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<input type="checkbox" id="toggle" class="offscreen" />
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<label for="toggle" class="switch"></label>
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```
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```css
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.switch {
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position: relative;
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display: inline-block;
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width: 40px;
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height: 20px;
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background-color: rgba(0, 0, 0, 0.25);
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border-radius: 20px;
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transition: all 0.3s;
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}
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.switch::after {
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content: '';
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position: absolute;
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width: 18px;
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height: 18px;
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border-radius: 18px;
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background-color: white;
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top: 1px;
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left: 1px;
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transition: all 0.3s;
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}
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input[type='checkbox']:checked + .switch::after {
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transform: translateX(20px);
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}
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input[type='checkbox']:checked + .switch {
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background-color: #7983ff;
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}
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.offscreen {
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position: absolute;
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left: -9999px;
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}
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```
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