style.css

body {
  width: 280px;
  margin: 0;
  padding: 0;
}

.shooter-1 {
  padding: 55px 0 55px 0;

  background-color: #fcf8e3;
  border-bottom: 1px dashed #cccccc;
}

.shooter-2 {
  padding: 55px 0 55px 0;

  background-color: #d9edf7;
}

.target {
  display: flex;
  justify-content: space-between;
  width: 200px;
  height: 25px;
  margin: 0 auto;
  padding: 10px 15px 10px 15px;
  overflow: hidden;

  list-style: none;

  background-color: white;
  border-radius: 2px;
  box-shadow: 0 0 3px rgba(0, 0, 0, 0.5);
}

.target li {
  position: relative;

  width: 22px;
  height: 22px;

  font-size: 0;

  background-color: #333333;
  border: 1px solid black;
  border-radius: 50%;
}

.hitbox {
  width: 10px;
  height: 10px;
  margin: 6px auto;

  background-color: #999999;
  border-radius: 50%;
}

.lever {
  position: absolute;
  top: -2px;
  left: -2px;

  width: 26px;
  height: 26px;

  background-color: #f5f5f5;
  border-radius: 50%;
  box-shadow: 0 0 2px rgba(0, 0, 0, 0.5);
}

.lever span {
  position: absolute;
  top: 12px;
  left: 11px;

  width: 5px;
  height: 25px;

  background-color: #f5f5f5;
  box-shadow: -1px 15px 2px rgba(0, 0, 0, 0.3), 1px 15px 2px rgba(0, 0, 0, 0.3);
}

.miss .lever {
  display: none;
}

.shooter-2 .target li:nth-child(1) .lever {
  display: none;
}

.shooter-2 .target li:nth-child(4) .lever {
  display: none;
}

.shooter-2 .target li:nth-child(5) .lever {
  display: none;
}