body {
  width: 100%;
  height: 100vh;
  display: flex;
  align-items: center;
  overflow-x: hidden;
  flex-direction: column;
  background-color: #fbab7e;
  background-image: linear-gradient(62deg, #fbab7e 0%, #f7ce68 100%);
}

.calc {
  padding: 20px;
  border-radius: 1em;
  height: 500px;
  width: 400px;
  margin: auto;
  background-color: palevioletred;
  box-shadow: 10px 10px 20px rgba(0, 0, 0, 0.637);
}

.display-box {
  font-family: "Orbitron", sans-serif;
  background-color: white;
  border: solid black 0.5px;
  color: black;
  border-radius: 5px;
  width: 100%;
  height: 55%;
  outline: none;
  font-size: 22px;
}

.button {
  font-family: "Orbitron", sans-serif;
  background-color: black;
  color: white;
  border: solid black 0.5px;
  width: 80px;
  border-radius: 5px;
  height: 60%;
  outline: none;
  border: none;
  font-size: 30px;
  cursor: pointer;
}

.button:active {
  background: rgba(0, 0, 0, 0.568);
  -webkit-box-shadow: inset 0px 0px 5px #c1c1c1;
  -moz-box-shadow: inset 0px 0px 5px #d32626;
  box-shadow: inset 0px 0px 5px #c1c1c1;
}