<h3>Zimbabwe</h3>

<div class="flag zimbabwe">
  <img src="https://imgur.com/whSeEZu.png" height="60" alt="Zimbabwe" />
</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;
}

.zimbabwe {
  background: linear-gradient(
    #006400 14.28%,
    #ffd200 14.28%,
    #ffd200 28.56%,
    #d40000 28.56%,
    #d40000 42.84%,
    #000 42.84%,
    #000 57.12%,
    #d40000 57.12%,
    #d40000 71.4%,
    #ffd200 71.4%,
    #ffd200 85.68%,
    #006400 0
  );
}

.zimbabwe::before,
.zimbabwe::after {
  position: absolute;
  content: "";
  border: 100px solid transparent;
  border-left-color: black;
  left: 7px;
  box-shadow: -10px 0 black; /* After pusing a little bit left then it had a small gap in the bottom and top left corner "remove to see the difference"*/
}
.zimbabwe::after {
  left: 0;
  border-left-color: white;
}

.zimbabwe > img {
  position: absolute;
  left: 5px;
  top: 64px;
  z-index: 1;
}