<h3>South Korea</h3>

<div class="flag south_korea">
  <div class="south_korea__center_circle"></div>

  <div class="south_korea__strips_1">
    <div class="strips">
      <div></div>
      <div></div>
      <div></div>
    </div>
    <div class="strips">
      <div></div>
      <div></div>
      <div></div>
    </div>
  </div>

  <div class="south_korea__strips_2">
    <div class="strips">
      <div></div>
      <div></div>
      <div></div>
    </div>
    <div class="strips">
      <div></div>
      <div></div>
      <div></div>
    </div>
  </div>

  <p class="south_korea__invisible_brick"></p>
  <p class="south_korea__invisible_brick"></p>
</div>

* {
  box-sizing: border-box;
  margin: 0;
}

body {
  width: 100%;
  height: 100vh;
  background-color: rgb(221, 239, 255);
  display: grid;
  place-items: center;
  font-family: cursive;
  font-weight: bold;
}

h3 {
  position: absolute;
  text-align: center;
  top: 20px;
}

/* Main Style Stars from here  */
.flag {
  position: relative;
  width: 300px;
  height: 200px;
  box-shadow: 0 0 1px rgba(0, 0, 0, 0.5);
  overflow: hidden;
}

.south_korea {
  background-color: white;
  display: grid;
  place-items: center;
}

.south_korea__center_circle {
  position: absolute;
  width: 100px;
  height: 100px;
  background: linear-gradient(#cd2e3a 50%, #0047a0 0);
  border-radius: 1in;
  rotate: 34deg;
}

.south_korea__center_circle::before {
  position: absolute;
  content: "";
  width: 50px;
  height: 50px;
  background-color: #cd2e3a;
  border-radius: 1in;
  margin: 25px 0;
  box-shadow: 50px 0 #0047a0;
}

.south_korea__strips_1,
.south_korea__strips_2 {
  position: absolute;
  width: 210px;
  height: 45px;
  display: flex;
  justify-content: space-between;
}

.strips {
  display: flex;
  gap: 4px;
}

.strips > div {
  background-color: black;
  width: 8px;
  height: 100%;
}

.south_korea__strips_1 {
  rotate: -34deg;
}
.south_korea__strips_2 {
  rotate: 34deg;
}

.south_korea__invisible_brick {
  position: absolute;
  width: 10px;
  height: 15px;
  background-color: white;
  color: white;
}

.south_korea__invisible_brick:nth-of-type(1) {
  left: 71px;
  top: 142px;
  rotate: -34deg;
  box-shadow: 167px 0, 191px 0;
}

.south_korea__invisible_brick:nth-of-type(2) {
  right: 71px;
  top: 142px;
  rotate: 34deg;
  box-shadow: -11px 0, 12px 0;
}