<h3>Mozambique</h3>

<div class="flag mozambique">
  <img src="https://imgur.com/HeZFDUz.png" height="75" 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;
}

.mozambique {
  background: linear-gradient(#007168 50%, #fce100 0);
  display: grid;
  place-items: center;
}

.mozambique::before {
  position: absolute;
  content: "";
  height: 33%;
  width: 100%;
  background: black;
  border: 7px solid white;
  transform: scalex(10px);
}
.mozambique::after {
  position: absolute;
  content: "";
  left: 0;
  border-width: 100px 130px;
  border-style: solid;
  border-color: transparent transparent transparent #d21034;
}

.mozambique > img {
  position: absolute;
  left: 5px;
  top: 60px;
  z-index: 1;
}