* {
  margin: 0;
  padding: 0;
}
body {
  background-image: url(/images/calcHeader.jpg);
  background-size: cover;
  background-attachment: fixed;
}
.head {
  width: 50%;
  height: 2em;
  /*background-color: rgba(77, 214, 118, 0.801);*/
  color: rgba(3, 83, 11, 0.808);
  align-items: center;
  margin: auto;
  margin-top: 100px;
  text-align: center;
  padding-top: 10px;
  font-weight: 500;
  font-size: x-large;
}
.calculator {
  width: 290px;
  height: 100%;
  background-color: rgba(148, 144, 144, 0.438);
  margin: auto;
  margin-top: 10px;
  box-shadow: 5px 8px 8px -2px rgba(0, 0, 0, 0.61);
}

.display {
  background-color: rgb(201, 201, 201);
  padding: 10px;
  width: 100%;
  height: 70px;
  text-align: right;
  font-size: xx-large;
  border: none;
  box-sizing: border-box;
  border-top-left-radius: 4px;
  border-top-right-radius: 4px;
}
button {
  padding: 10px;
  width: 69px;
  height: 45px;
  margin-top: 10px;
  background-color: rgb(194, 194, 194);
  color: black;
  font-size: x-large;
}
button:hover {
  cursor: pointer;
  background-color: rgb(182, 178, 178);
}
button:active {
  background-color: rgb(136, 136, 136);
}