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

.flag {
  width: 450px;
  height: 300px;
  display: flex;
  flex-direction: column;
  border: 1px solid black;
}

.stripe {
  width: 100%;
}

.red {
  background-color: rgb(199, 9, 9);
  height: 25%;
}

.blue {
  background-color: #002868;
  height: 50%;
  position: relative;
}

.circle {
  width: 120px;
  height: 120px;
  background-color: white;
  border-radius: 50%;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}