<h3>Sri Lanka</h3>

<div class="flag sri_lanka">
  <div class="left__box"></div>
  <img src="https://imgur.com/lqpXtLJ.png" class="sri_lanka__logo" alt="" />
</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;
}
.sri_lanka {
  padding: 20px;
  background-color: #ffbe29;
  display: flex;
  align-items: center;
  gap: 20px;
}
.left__box {
  width: 78px;
  height: 100%;
  background: linear-gradient(to right, #00534e 50%, #eb7400 0);
}
.sri_lanka__logo {
  width: 180px;
  height: 160px;
}