* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Gill Sans", "Gill Sans MT", Calibri, "Trebuchet MS", sans-serif;
}
body {
  background-color: black;
  width: 100vw;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}
.calculator {
  width: 80vw;
  max-width: 300px;
  height: 400px;
  background-color: #121a1b;
  border-radius: 10px;
  box-shadow: 1px 5px 20px rgba(75, 75, 192, 0.747), -1px -5px 20px blue;
}
.display {
  width: 100%;
  height: 20%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 10px;
}
.display input {
  width: 100%;
  height: 100%;
  border-radius: 10px;
  box-shadow: 1px 2px 10px rgba(0, 0, 0, 0.8), -1px -2px 10px rgba(0, 0, 0, 0.8);
  background-color: transparent;
  border: none;
  color: white;
  padding: 10px;
  text-align: right;
  font-size: 28px;
}
.button {
  width: 100%;
  height: 80%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
}
.row {
  width: 100%;
  height: 15%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}
.row button {
  width: 18%;
  height: 80%;
  border-radius: 10px;
  box-shadow: 1px 2px 10px rgba(0, 0, 0, 0.8), -1px -2px 10px rgba(0, 0, 0, 0.8);
  background-color: transparent;
  border: none;
  color: white;
  cursor: pointer;
  font-size: 20px;
}
.row1 button {
  color: aquamarine;
}
.row button:hover {
  box-shadow: inset 1px 2px 10px rgba(0, 0, 0, 0.8);
  font-size: small;
  color: rgba(255, 255, 255, 0.506);
}
#equal {
  width: 40%;
  color: aquamarine;
}