* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Franklin Gothic Medium', 'Arial Narrow', Arial, sans-serif;
}

body {
  width: 100%;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  background: #000;

}

.claculator {
  /* border: 2px solid rgb(244, 240, 240); */
  padding: 10px;
  height: 100vh;
  border-radius: 20px;
  background: rgb(21, 21, 21);
  box-shadow: 0px 3px 15px;
  /* border: 1px solid red; */
  width: 288px;
}

input {
  width: 100%;
  border: none;
  padding: 24px 10px;
  margin: 30px 0px;
  background: rgb(39, 39, 39);
  font-size: 40px;
  text-align: right;
  cursor: pointer;
  font-size: 32px;
  border-radius: 10px;
  color: #fff;
}

input::placeholder {
  color: #fff;
}

button {
  border: none;
  width: 50px;
  height: 50px;
  margin: 20px 5px;
  border-radius: 30%;
  background: transparent;
  color: #fff;
  box-shadow: -1px -1px 15px rgba(5, 90, 12, 0.6);
  font-size: 20px;
  cursor: pointer;
}
.green{
  background-color: rgb(5, 168, 33);
}
.orange{
  background-color: rgb(168, 95, 5);
}