MacOS style checkbox & radio buttons with Pure CSS

<div class="forms">
  
  <label for="cbk1">
    <input type="checkbox" id="cbk1">
    <span class="cbx">
      <svg width="12px" height="11px" viewBox="0 0 12 11">
        <polyline points="1 6.29411765 4.5 10 11 1"></polyline>
      </svg>
    </span>
    <span>Dark</span>
  </label>
  
  <label for="cbk2">
    <input type="checkbox" id="cbk2" checked>
    <span class="cbx">
      <svg width="12px" height="11px" viewBox="0 0 12 11">
        <polyline points="1 6.29411765 4.5 10 11 1"></polyline>
      </svg>
    </span>
    <span>Night</span>
  </label>
  
  <br><br><br>
  
  <label for="rdo1">
    <input type="radio" id="rdo1" name="radio">
    <span class="rdo"></span>
    <span>Dark</span>
  </label>
  
  <label for="rdo2">
    <input type="radio" id="rdo2" name="radio" checked>
    <span class="rdo"></span>
    <span>Night</span>
  </label>
  
</div>

html,
body {
  height: 100%;
}
body {
  display: grid;
  font-family: -apple-system, BlinkMacSystemFont, "myriad-pro", sans-serif;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background: #2b2b2d;
  color: #c5c5c7;
}
.cbx {
  position: relative;
  display: block;
  float: left;
  width: 18px;
  height: 18px;
  border-radius: 4px;
  background-color: #606062;
  background-image: linear-gradient(#474749, #606062);
  box-shadow: inset 0 1px 1px rgba(255,255,255,0.15), inset 0 -1px 1px rgba(0,0,0,0.15);
  transition: all 0.15s ease;
}
.cbx svg {
  position: absolute;
  top: 3px;
  left: 3px;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke: #fff;
  stroke-width: 2;
  stroke-dasharray: 17;
  stroke-dashoffset: 17;
  transform: translate3d(0, 0, 0);
}
.rdo {
  position: relative;
  display: block;
  float: left;
  width: 18px;
  height: 18px;
  border-radius: 10px;
  background-color: #606062;
  background-image: linear-gradient(#474749, #606062);
  box-shadow: inset 0 1px 1px rgba(255,255,255,0.15), inset 0 -1px 1px rgba(0,0,0,0.15);
  transition: all 0.15s ease;
}
.rdo:after {
  content: "";
  position: absolute;
  display: block;
  top: 6px;
  left: 6px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #fff;
  opacity: 0;
  transform: scale(0);
}
.cbx + span,
.rdo + span {
  float: left;
  margin-left: 6px;
}
.forms {
  margin: auto;
  user-select: none;
}
.forms label {
  display: inline-block;
  margin: 10px;
  cursor: pointer;
}
.forms input[type="checkbox"],
.forms input[type="radio"] {
  position: absolute;
  opacity: 0;
}
.forms input[type="radio"]:checked + .rdo {
  background-color: #606062;
  background-image: linear-gradient(#255cd2, #1d52c1);
}
.forms input[type="radio"]:checked + .rdo:after {
  opacity: 1;
  transform: scale(1);
  transition: all 0.15s ease;
}
.forms input[type="checkbox"]:checked + .cbx {
  background-color: #606062;
  background-image: linear-gradient(#255cd2, #1d52c1);
}
.forms input[type="checkbox"]:checked + .cbx svg {
  stroke-dashoffset: 0;
  transition: all 0.15s ease;
}