web-html5-scripts/buttons-and-toggles/modern-toggles/style.css

@supports (-webkit-appearance: none) or (-moz-appearance: none) {
  input[type='checkbox'],
  input[type='radio'] {
    --active: #275EFE;
    --active-inner: #fff;
    --focus: 2px rgba(39, 94, 254, .3);
    --border: #BBC1E1;
    --border-hover: #275EFE;
    --background: #fff;
    --disabled: #F6F8FF;
    --disabled-inner: #E1E6F9;
    -webkit-appearance: none;
    -moz-appearance: none;
    height: 21px;
    outline: none;
    display: inline-block;
    vertical-align: top;
    position: relative;
    margin: 0;
    cursor: pointer;
    border: 1px solid var(--bc, var(--border));
    background: var(--b, var(--background));
    transition: background .3s, border-color .3s, box-shadow .2s;
  }
  input[type='checkbox']:after,
  input[type='radio']:after {
    content: '';
    display: block;
    left: 0;
    top: 0;
    position: absolute;
    transition: opacity var(--d-o, 0.2s), -webkit-transform var(--d-t, 0.3s) var(--d-t-e, ease);
    transition: transform var(--d-t, 0.3s) var(--d-t-e, ease), opacity var(--d-o, 0.2s);
    transition: transform var(--d-t, 0.3s) var(--d-t-e, ease), opacity var(--d-o, 0.2s), -webkit-transform var(--d-t, 0.3s) var(--d-t-e, ease);
  }
  input[type='checkbox']:checked,
  input[type='radio']:checked {
    --b: var(--active);
    --bc: var(--active);
    --d-o: .3s;
    --d-t: .6s;
    --d-t-e: cubic-bezier(.2, .85, .32, 1.2);
  }
  input[type='checkbox']:disabled,
  input[type='radio']:disabled {
    --b: var(--disabled);
    cursor: not-allowed;
    opacity: .9;
  }
  input[type='checkbox']:disabled:checked,
  input[type='radio']:disabled:checked {
    --b: var(--disabled-inner);
    --bc: var(--border);
  }
  input[type='checkbox']:disabled + label,
  input[type='radio']:disabled + label {
    cursor: not-allowed;
  }
  input[type='checkbox']:hover:not(:checked):not(:disabled),
  input[type='radio']:hover:not(:checked):not(:disabled) {
    --bc: var(--border-hover);
  }
  input[type='checkbox']:focus,
  input[type='radio']:focus {
    box-shadow: 0 0 0 var(--focus);
  }
  input[type='checkbox']:not(.switch),
  input[type='radio']:not(.switch) {
    width: 21px;
  }
  input[type='checkbox']:not(.switch):after,
  input[type='radio']:not(.switch):after {
    opacity: var(--o, 0);
  }
  input[type='checkbox']:not(.switch):checked,
  input[type='radio']:not(.switch):checked {
    --o: 1;
  }
  input[type='checkbox'] + label,
  input[type='radio'] + label {
    font-size: 14px;
    line-height: 21px;
    display: inline-block;
    vertical-align: top;
    cursor: pointer;
    margin-left: 4px;
  }

  input[type='checkbox']:not(.switch) {
    border-radius: 7px;
  }
  input[type='checkbox']:not(.switch):after {
    width: 5px;
    height: 9px;
    border: 2px solid var(--active-inner);
    border-top: 0;
    border-left: 0;
    left: 7px;
    top: 4px;
    -webkit-transform: rotate(var(--r, 20deg));
            transform: rotate(var(--r, 20deg));
  }
  input[type='checkbox']:not(.switch):checked {
    --r: 43deg;
  }
  input[type='checkbox'].switch {
    width: 38px;
    border-radius: 11px;
  }
  input[type='checkbox'].switch:after {
    left: 2px;
    top: 2px;
    border-radius: 50%;
    width: 15px;
    height: 15px;
    background: var(--ab, var(--border));
    -webkit-transform: translateX(var(--x, 0));
            transform: translateX(var(--x, 0));
  }
  input[type='checkbox'].switch:checked {
    --ab: var(--active-inner);
    --x: 17px;
  }
  input[type='checkbox'].switch:disabled:not(:checked):after {
    opacity: .6;
  }

  input[type='radio'] {
    border-radius: 50%;
  }
  input[type='radio']:after {
    width: 19px;
    height: 19px;
    border-radius: 50%;
    background: var(--active-inner);
    opacity: 0;
    -webkit-transform: scale(var(--s, 0.7));
            transform: scale(var(--s, 0.7));
  }
  input[type='radio']:checked {
    --s: .5;
  }
}
ul {
  margin: 12px;
  padding: 0;
  list-style: none;
  width: 100%;
  max-width: 320px;
}
ul li {
  margin: 16px 0;
  position: relative;
}

html {
  box-sizing: border-box;
}

* {
  box-sizing: inherit;
}
*:before, *:after {
  box-sizing: inherit;
}

body {
  min-height: 100vh;
  font-family: 'Inter', Arial, sans-serif;
  color: #8A91B4;
  display: flex;
  justify-content: center;
  align-items: center;
  background: #F6F8FF;
}
@media (max-width: 800px) {
  body {
    flex-direction: column;
  }
}