<h3></h3>

<div class="flag dominica">
  <div class="dominica__horizontal_strip"></div>
  <div class="dominica__vertical__strip"></div>
  <img src="https://imgur.com/5ZVh063.png" width="100" 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;
}

.dominica {
  display: grid;
  place-items: center;
  background-color: #006d41;
}

.dominica > img {
  z-index: 1;
}

.dominica__horizontal_strip,
.dominica__vertical__strip {
  position: absolute;
  width: 100%;
  height: 17px;
  background-color: black;

  box-shadow: 0 -15px #f9d016, 0 15px #fff;
}

.dominica__vertical__strip {
  transform: rotate(-90deg);
}