* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  background-color: hsl(0, 0%, 15%);
}

.postcard {
  position: relative;
  width: 600px;
  height: 400px;
  overflow: hidden;
  border-radius: 16px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
}

.sky {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 65%;
   background: #b0b0b0;
  background: linear-gradient(0deg, rgba(176, 176, 176, 1) 26%,
   rgba(84, 144, 222, 1) 95%); 

}

.sun {
  position: absolute;
  top: 60px;
  right: 80px;
  width: 80px;
  height: 80px;
  background-color:hsl(52 82.3% 52.5%);
  border-radius: 50%;
  box-shadow: 0px 0px 40px 14px hsl(52 82.3% 52.5%);

}

.hills {
  position: absolute;
  bottom: 30%;
  left: -10%;
  width: 120%;
  height: 45%;
  background: radial-gradient(
    ellipse 120% 60% at 50% 100%,
    rgba(62, 158, 54, 1),
    rgba(50, 102, 41, 1)
  );
  border-radius: 40% 42% 0 0;
}

.water {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 32%;
  background: #54549e;
  background: linear-gradient(0deg,rgba(84, 84, 158, 1) 26%, rgba(9, 45, 99, 1) 95%);
}

.text-overlay {
  position: absolute;
  bottom: 40px;
  left: 0;
  width: 100%;
  text-align: center;
  font-family: Georgia, serif;
  text-shadow: 4px 2px 2px rgba(109,172,255,0.6);
  color:#0B013D
}