calculator.css

body {
  width: 100%;
  font-family: 'Roboto Mono', monospace;
}

h2 {
  font-size: 2rem;
  text-align: left;
}

.calculator {
  width: 300px;
  height: 400px;
  background-color: #7a7a7a;
  border-radius: 10px;
  border-color: black;
  border-block-end-style: solid;
  border-width: 2px;
  margin: 50px;
  text-align: center;
  position: relative;
  padding-top: 30px;
}

.container {
  margin: 0 auto;
}

.input {
  border-radius: 5px;
  width: 220px;
  padding-bottom: 20px;
  margin: 10px 0;

}

.row {
  display: block;
  padding: 1px 0;

}

.ctrl {
  width: 50px;
  height: 50px;
  margin: 5px;
  background-color: #363636;
  color: white;
  border-radius: 5px;
}

.ctrl-wide {
  width: 115px;
  height: 50px;
  margin: 5px;
  background-color: #363636;
  color: white;
  border-radius: 5px;
}

.button {
  width: 50px;
  height: 50px;
  margin: 5px;
  background-color: #9197b8;
  color: #172340;
  border-radius: 5px;

}

.button-wide {
  width: 115px;
  height: 50px;
  margin: 5px;
  background-color: #6c7896;
  color: #172340;
  border-radius: 5px;
}