body {
  background-color: black;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
}

.BD1 {
  background-color: rgb(3, 87, 3);
  height: 50vh;
  width: 45vw;
}

.BD2 {
  display: flex;
  justify-content: center;
  padding-top: 8vh;
}

.BD3 {
  background-color: red;
  height: 30vh;
  width: 15vw;
  border: 50px;
  border-radius: 100px;
}