<input id="input1" type="checkbox"></input>
<label for="input1">Click me</label>
<input id="input2" type="checkbox"></input>
<label for="input2">Click me</label>
<div></div>

div {
  position: absolute;
  top: 50px;
  height: 100px;
  width: 100px;
  background-color: red;
}

@keyframes spin1 {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}
@keyframes spin2 {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

#input1:checked ~ div {
   animation: spin1 0.5s 1 0s;
}

#input2:checked ~ div {
   animation: spin2 0.5s 1 0s;
}