<h3>Antigua and Barbuda</h3>

<div class="flag antigua">
  <div class="antigua__black"></div>
  <div class="antigua__blue"></div>
  <div class="antigua__white"></div>

  <div class="antigua__triangle"></div>
  <div class="antigua__triangle right"></div>
  <img src="https://imgur.com/i8BstuY.png" class="antigua__logo" alt="antigua" />
</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;
}

.antigua {
  display: flex;
  flex-direction: column;
}

.antigua__black {
  flex: 2;

  background-color: black;
}

.antigua__blue {
  flex: 1;
  z-index: 1;
  background-color: #36a7e9;
}

.antigua__white {
  flex: 2;
  background-color: white;
}

.antigua__triangle {
  position: absolute;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: #be0026;
  transform: rotate(-127deg) translate(50px, -160px);
  z-index: 2;
}

.antigua > .right {
  transform: rotate(127deg) translate(-50px, -160px);
}

.antigua__logo {
  position: absolute;
  inset: 0;
  width: 150px;
  margin: 5px auto;
}