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

.scene {
  position: relative;
  width: 100%;
  height: 100vh;

  background-attachment: fixed;
  overflow: hidden;
}

.moon {
  position: absolute;
  top: 100px;
  left: 400px;
  width: 100px;
  height: 100px;
  background: #fff;
  border-radius: 50%;
  z-index: 10;
}

.moon:after {
  content: "";
  position: absolute;
  top: -15px;
  left: 15px;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: linear-gradient(#111425, #3751e0);
  background-attachment: fixed;
}

.forest {
  position: absolute;
  bottom: -1px;
  left: -45px;
  width: 105vw;
}

.scene i {
  position: absolute;
  background: #fff;
  border: 50%;
  animation: animate linear infinite;
  z-index: -1;
}

@keyframes animate {
  0% {
    opacity: 0;
    transform: translateY(0);
  }
  10%,
  90% {
    opacity: 1;
  }
  100% {
    opacity: 0;
    transform: translateY(-100px);
  }
}

body {
  margin: 0;
  padding: 0;
  background: white;
  background: linear-gradient(#111425, #3751e0);
}

.calci {
  width: 500px;
  padding-top: 100px;
  padding-bottom: 300px;
  position: absolute;
  top: 50%;
  left: 70%;
  transform: translate(-50%, -50%);
  transition: 0.25px;
  text-align: center;
}

#display {
  border: none;
  background: white;
  border-radius: 30px;
  width: 300px;
  font-size: 20px;
  font-family: sans-serif;
  font-weight: 300px;
  height: 60px;
  margin: 10px;
  border: 2px solid white;
  color: black;
}

.btnDesign {
  width: 55px;
  height: 55px;
  padding-top: -1;
  border: none;
  font-family: sans-serif;
  font-weight: 300;
  font-size: 20px;
  border-radius: 30px;
  margin: 5px;
}
.OperatorDesign {
  width: 55px;
  height: 55px;
  padding-top: -1;
  border: none;
  font-family: sans-serif;
  font-weight: 300;
  font-size: 20px;
  border-radius: 30px;
  margin: 5px;
  transition: 0.25px;
  cursor: pointer;
}

.OperatorDesign:hover {
  background: #00d9ff;
}
.btnDesign:hover {
  background: #00d9ff;
}

#zero {
  width: 125px;
  height: 55px;
  padding-top: -1;
  border: none;
  font-family: sans-serif;
  font-weight: 300;
  font-size: 20px;
  border-radius: 30px;
  margin: 5px;
  transition: 0.25px;
  cursor: pointer;
}

#zero:hover {
  background: #00d9ff;
}
.heading {
  color: white;
  margin-top: 300px;
  margin-left: 100px;
  text-transform: uppercase;
  font-family: sans-serif;
  font-weight: 700px;
  text-decoration: underline;
}

.love {
  margin-left: 155px;
  color: #ffffffca;
  margin-top: 10px;
}

input[type="button"] {
  z-index: 20;
}