/* Inspired by https://www.w3schools.com/howto/howto_css_switch.asp */

/* The switch - the box around the slider */
.switch {
  position: relative;
  display: inline-block;
  width: 30px;
  height: 19px;
  vertical-align: middle;
  margin: 0 10px;
}

/* Hide default HTML checkbox */
.switch input {display:none;}

/* The slider */
.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: #ccc;
  transition: .1s;
}

/* slider "button" in "off" position */
.slider:before {
  position: absolute;
  content: "";
  height: 14px;
  width: 14px;
  left: 2px;
  bottom: 2px; /* was 2px but shift down for the inset shadow */
  background-color: black;
  transition: .1s;
}

/* Slider box background */
input:checked + .slider {
/*  background-color: #2196F3; */
  background-color: #f34; /* dark red */
  background-color: #3b4; /* green */
}

input:focus + .slider {
  box-shadow: 0 0 1px #2196F3;
  box-shadow: 0 0 1px black;
}

/* slider "button" in "on" position */
input:checked + .slider:before {
  transform: translateX(12px);
  background-color: white;
}

/* Rounded slider box (which contains the "button") */
.slider.round {
  border-radius: 5px;  /* rounded rectangle */
  border-radius: 20px; /* oval */
  box-shadow: inset 2px 3px 4px black;
}

.slider.round:before {
  border-radius: 50%;
  /* box-shadow: 3px 3px 2px #555, 4px 4px 1px #111;*/
  box-shadow: -1px -1px 2px #999;
}

input:checked + .slider.round:before {
  border-radius: 50%;
  /* box-shadow: 3px 3px 2px #555, 4px 4px 1px #111;*/
  box-shadow: -1px -1px 2px #555;
}