%toggle label {
  position: relative;
}
%toggle input {
  display: none;
}
%toggle label span {
  display: inline-block;
  padding-left: 34px;
}
%toggle label span::before,
%toggle label span::after {
  position: absolute;
  display: block;
  content: '';
  top: 50%;
}
%toggle label span::before {
  left: 0px;
  width: 24px;
  height: 12px;
  margin-top: -5px;
}
%toggle label span::after {
  margin-top: -3px;
  width: 8px;
  height: 8px;
}
%toggle label input:checked + span::after,
%toggle-negative label input + span::after {
  left: 14px;
}
%toggle label span::after,
%toggle-negative label input:checked + span::after {
  left: 2px;
}