body {
  margin: 0;
  padding: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  background-color: #000;
  overflow: hidden;
}

.radar-container {
  position: relative;
  width: 800px;
  height: 800px;
  border-radius: 50%;
  overflow: hidden;
}

#radarCanvas {
  display: block;
  width: 100%;
  height: 100%;
}

.objects {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.object {
  position: absolute;
  width: 40px;
  height: 40px;
  background-color: #fff;
  border: 2px solid #0f0;
  border-radius: 50%;
  opacity: 0.5;
}