/*
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
*/

body {
//  background: linear-gradient(to right, #f12711, #f5af19);
  font-size: 12px;
  font-family: Arial, Helvetica, sans-serif;
}

.calculator {
  width: 210px;
  height: auto;;
  background-color: black;
/*  margin: 150px auto; */
  border-radius: 20px;
/*  padding: 10px;*/
  box-shadow: rgba(14, 30, 37, 0.12) 0px 2px 4px 0px,
    rgba(14, 30, 37, 0.32) 0px 2px 16px 0px;
}

.display {
  color: white;
  font-size: 30px;
  text-align: end;
  padding-top: 5px;
  word-wrap: break-word;
}

.buttons {
  display: flex;
  flex-wrap: wrap;
}

.button {
  border: none;
  color: white;
  border-radius: 30px;
  padding: 10px 10px;
  width: 22%;
  margin: 2px 2px;
  font-size: 20px;
  background-color: rgba(128, 128, 128, 0.372);
}

.zero-btn {
  padding: 10px 76px 10px 20px;
}

.btn-orange {
  background-color: orange;
}

.btn-grey {
  background-color: grey;
}