body{
  display: flex;
  justify-content: center;
  align-items: center;
  height: 95vh;
  background-color: whitesmoke;
}

.calculator{
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 25vw;
  height: 40vw;
  text-align: center;
  background-image: linear-gradient(176deg,rgb(70,70,70),rgb(36,36,36));
  border-radius: 15px;
  box-shadow: inset -5px -5px 10px 0px rgb(167,152,152 / 41%),inset -4px 19px 9px rgb(46,41,41 / 46%);
}

#display {
  display: flex;
  width: 20vw;
  margin-top: -20px;
  margin-bottom: 10px;
  height: 5%;
  padding: 10px;
  background-color: rgb(212,217,229);
  color: black;
  border: none;
  border-radius: 5px;
  font-size: 18px;
  text-align: right;
  outline: none;
  box-shadow: inset -1px -3px 10px 0px rgba(255,255,255,0.41),inset 5px 5px 10px 0px rgb(0 0 0 / 49%);
  font-family: digital;
  font-size: 24px;
}

.buttons {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  width: 25vw;
  height: 65%;
}
.buttons button {
  display: flex;
  width: 17%;
  height: 17%;
  margin: 3%;
  cursor: pointer;
  justify-content: center;
  align-items: center;
  font-size: 18px;
  line-height: 1;
  text-decoration: none;
  border-radius: 50%;
  font-weight: bold;
  transition: 0.1s;
  box-shadow: 0px 2px 4px 0px rgba(0,0,0,0.5);
  background-image: linear-gradient(180deg,rgba(0,0,0,0.45),rgba(0,0,0,1));
}
.number-button {
  color:whitesmoke
}
.special-button {
  color:#ff0b92;
}
.operation-button {
  color:#16d7a3;
}
#equal{
  width: 40%;
  border-radius: 10px;
  background-image: linear-gradient(180deg,rgb(22 124 54 / 45%),rgb(8 122 86));
  border: 1px solid #176a17;
  color:whitesmoke;
}
.buttons button:hover {
  transform: translateY(2px);
  box-shadow: 0 0 rgba(0,0,0,0);
}