.arrow1{
  width: 10px;
  height: 10px;
  float: right;
  margin-right: 2px;
}

#display{
  margin: 50px;
  font-size: 45px;
  border-style: solid;
  border-left: 0px;
  border-right: 0px;
  background-color: white;
  width: 75%;
  text-align: center;
}

#button button{
  width: 60%;
  font-size: 25px;
  margin: 8px;
  padding: 8px;
  border: 3px solid #979797;
  background-color: rgb(223, 241, 255);
  cursor: pointer;
}