styles.css

@import url("https://fonts.googleapis.com/css2?family=Orbitron&display=swap");

.title {
  font-family: "Orbitron", sans-serif;
  font-size: xx-large;
  display: flex;
  justify-content: center;
  margin-top: 10%;
}

.calculator {
  background-color: #091950;
  width: 400px;
  height: 380px;
  margin: auto;
  margin-top: 10vh; /*vh = viewheight*/
  border-radius: 20px;
  padding: 20px;
}

.display-box {
  font-family: "Orbitron", sans-serif;
  background-color: rgb(250, 238, 238);
  color: black;
  border-radius: 5px;
  width: 98%;
  height: 65%;
  border: solid black 1px;
}

/*id takes priority*/
#btn {
    background-color: #dc1d69;
}

.button {
  font-family: "Orbitron", sans-serif;
  background-color: #55217a;
  color: white;
  width: 100%;
  height: 70%;
  border-radius: 5px;
  outline: none;
  border: solid black 1px;
}

.button:hover{
    background-color: bisque;
    color:#091950;
}

.button:active{
    background-color: #e5e5e5;
}