/* Remove default margin */
body {
  margin: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  background-color: #ffffff;
}

/* Main 2x2 grid */
.container {
  width: 600px;
  height: 600px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
}

/* Base square styling */
.box {
  position: relative;
}

/* Colors */
.red {
  background-color: #ff1e1e;
}

.blue {
  background-color: #2f3c8f;
}

/* Small red rectangles */
.small-rect {
  position: absolute;
  width: 80px;
  height: 25px;
  background-color: #ff1e1e;
  left: 50%;
  transform: translateX(-50%);
}

/* Top small rectangle */
.small-rect.top {
  top: 0px;
}

/* Bottom small rectangle */
.small-rect.bottom {
  bottom: 0px;
}