portainer/app/react/components/form-components/SwitchField/Switch.css

/* switch box */

.switch,
.bootbox-checkbox-list > .checkbox > label {
  --switch-size: 24px;
}

.switch.small {
  --switch-size: 12px;
}

.switch input {
  display: none;
}

.switch i,
.bootbox-form .checkbox i {
  display: inline-block;
  vertical-align: middle;
  cursor: pointer;
  padding-right: var(--switch-size);
  transition: all ease 0.2s;
  -webkit-transition: all ease 0.2s;
  -moz-transition: all ease 0.2s;
  -o-transition: all ease 0.2s;
  border-radius: var(--switch-size);
  box-shadow: inset 0 0 1px 1px rgba(0, 0, 0, 0.5);
}

.switch i:before,
.bootbox-form .checkbox i:before {
  display: block;
  content: '';
  width: var(--switch-size);
  height: var(--switch-size);
  border-radius: var(--switch-size);
  background: white;
  box-shadow: 0 0 1px 1px rgba(0, 0, 0, 0.5);
}

.switch :checked + i,
.bootbox-form .checkbox :checked ~ i {
  padding-right: 0;
  padding-left: var(--switch-size);
  -webkit-box-shadow: inset 0 0 1px rgba(0, 0, 0, 0.5), inset 0 0 40px #337ab7;
  -moz-box-shadow: inset 0 0 1px rgba(0, 0, 0, 0.5), inset 0 0 40px #337ab7;
  box-shadow: inset 0 0 1px rgba(0, 0, 0, 0.5), inset 0 0 40px #337ab7;
}

.switch :disabled + i {
  opacity: 0.5;
  cursor: not-allowed;
}

.switch.limited {
  pointer-events: none;
  touch-action: none;
}

.switch.limited i {
  opacity: 1;
  cursor: not-allowed;
}

.switch.business i {
  background-color: var(--BE-only);
  box-shadow: inset 0 0 1px rgb(0 0 0 / 50%), inset 0 0 40px var(--BE-only);
}

.switch input[type='checkbox']:disabled + .slider {
  cursor: not-allowed;
}