/*
Usage:

  <span class="switch">
    <input type="checkbox" class="switch" id="switch-id">
    <label for="switch-id">Small switch</label>
  </span>
  
Notes:

 - The label must directly proceed input
 - The input must have an id
 - The label must have for="<id>"


<!-- Small switch -->
<div class="form-group">  
  <span class="switch switch-sm">
    <input type="checkbox" class="switch" id="switch-sm">
    <label for="switch-sm">Small switch</label>
  </span>
</div>

<!-- Normal switch -->
<div class="form-group">
  <span class="switch">
    <input type="checkbox" class="switch" id="switch-normal">
    <label for="switch-normal">Normal switch</label>
  </span>
</div>

<!-- Large switch -->
<div class="form-group">
  <span class="switch switch-lg">
    <input type="checkbox" class="switch" id="switch-lg">
    <label for="switch-lg">Large switch</label>
  </span>
</div>

*/

.switch {
    font-size: 1rem;
    position: relative;
}
.switch input {
    position: absolute;
    height: 1px;
    width: 1px;
    background: none;
    border: 0;
    clip: rect(0 0 0 0);
    clip-path: inset(50%);
    overflow: hidden;
    padding: 0;
}
.switch input + label {
    position: relative;
    min-width: calc(calc(2.375rem * .8) * 2);
    border-radius: calc(2.375rem * .8);
    height: calc(2.375rem * .8);
    line-height: calc(2.375rem * .8);
    display: inline-block;
    cursor: pointer;
    outline: none;
    user-select: none;
    vertical-align: middle;
    text-indent: calc(calc(calc(2.375rem * .8) * 2) + .5rem);
}
.switch input + label::before,
.switch input + label::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: calc(calc(2.375rem * .8) * 2);
    bottom: 0;
    display: block;
}
.switch input + label::before {
    right: 0;
    background-color: #dee2e6;
    border-radius: calc(2.375rem * .8);
    transition: 0.2s all;
}
.switch input + label::after {
    top: 2px;
    left: 2px;
    width: calc(calc(2.375rem * .8) - calc(2px * 2));
    height: calc(calc(2.375rem * .8) - calc(2px * 2));
    border-radius: 50%;
    background-color: white;
    transition: 0.2s all;
}
.switch input:checked + label::before {
    background-color: #08d;
}
.switch input:checked + label::after {
    margin-left: calc(2.375rem * .8);
}
.switch input:focus + label::before {
    outline: none;
    box-shadow: 0 0 0 0.2rem rgba(0, 136, 221, 0.25);
}
.switch input:disabled + label {
    color: #868e96;
    cursor: not-allowed;
}
.switch input:disabled + label::before {
    background-color: #e9ecef;
}
.switch.switch-sm {
    font-size: 0.875rem;
}
.switch.switch-sm input + label {
    min-width: calc(calc(1.9375rem * .8) * 2);
    height: calc(1.9375rem * .8);
    line-height: calc(1.9375rem * .8);
    text-indent: calc(calc(calc(1.9375rem * .8) * 2) + .5rem);
}
.switch.switch-sm input + label::before {
    width: calc(calc(1.9375rem * .8) * 2);
}
.switch.switch-sm input + label::after {
    width: calc(calc(1.9375rem * .8) - calc(2px * 2));
    height: calc(calc(1.9375rem * .8) - calc(2px * 2));
}
.switch.switch-sm input:checked + label::after {
    margin-left: calc(1.9375rem * .8);
}
.switch.switch-lg {
    font-size: 1.25rem;
}
.switch.switch-lg input + label {
    min-width: calc(calc(3rem * .8) * 2);
    height: calc(3rem * .8);
    line-height: calc(3rem * .8);
    text-indent: calc(calc(calc(3rem * .8) * 2) + .5rem);
}
.switch.switch-lg input + label::before {
    width: calc(calc(3rem * .8) * 2);
}
.switch.switch-lg input + label::after {
    width: calc(calc(3rem * .8) - calc(2px * 2));
    height: calc(calc(3rem * .8) - calc(2px * 2));
}
.switch.switch-lg input:checked + label::after {
    margin-left: calc(3rem * .8);
}
.switch + .switch {
    margin-left: 1rem;
}

body {
    padding: 1rem;
}

.dropdown-menu {
    margin-top: .75rem;
}