#app {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  margin: 0;
  background: rgb(47, 79, 79, 0.9);
}

#calculator {
  width: 300px;
  position: relative;
  background: #1f3636;
  box-shadow: 0 0 4px;
  padding: 5px;
}

#displayContainer {
  height: 60px;
  padding: 0px;
  background: #1f3636;
  color: white;
  text-align: right;
  font-family: "alarm clock";
  font-size: 20px;
}

#formula {
  color: orange;
}

#author {
  text-align: center;
  margin-top: 15px;
  font-family: "Share Tech Mono";
  line-height: 20px;
  font-size: 16px;
}

#authorLink {
  color: white;
  padding-top: 0;
}