* {
  margin: 0 auto;
  padding: 0;
}
ol {
  list-style: none;
}
a {
  text-decoration: none;
  color: inherit;
}
.targets {
  display: grid;
  grid-gap: 40px;
  grid-template-columns: repeat(auto-fit, 60px);
  margin-top: 40px;
}
.circle, .square {
  width: 60px;
  height: 60px;
  background-color: #EEE;
  border: 1px solid #CCC;
}
.circle {
  border-radius: 50%;
}
.blue {
  background-color: #B8DBF6;
  border: 1px solid #5ABEED;
}
.green {
  background-color: #C8F8D1;
  border: 1px solid #64D994;
}
.red {
  background-color: #FAD6D7
}
[value="All"]:checked ~ .targets [data-category] {
  display: block;
}
[value="Blue"]:checked ~ .targets .target:not([data-category~="Blue"]), 
[value="Green"]:checked ~ .targets .target:not([data-category~="Green"]), 
[value="Red"]:checked ~ .targets .target:not([data-category~="Red"]),
[value="Square"]:checked ~ .targets .target:not([data-category~="Square"]), 
[value="Circle"]:checked ~ .targets .target:not([data-category~="Circle"]) {
  display: none;
}