body {
                background-color:#03647e;
                 }

	.container {
  		height: 600x;
  		width: 300px;
  		border-radius: 10px;
  		border: solid black;
  		background-color: gray;
  		margin: auto;
  		padding: 20px;
  		box-shadow: 3px 3px 5px 6px #ccc;
		}

.display {
  		opacity: .5;
  		border: 1px solid black;
  		background-color: white;
  		margin-left: auto;
  		margin-right: auto;
  		margin-bottom: 10px;
  		height: 25px;
  		width: 135px;
  		font-size:16px;
		font-weight: 600;
  		display: flex;
  		text-align:center;
  		align-items: center;
 		justify-content: flex-end;
		box-shadow: 1px 1px 1px 1px #000;
		}

	.buttons {
		padding: 20px;
		display: grid;
		place-items: center;
		gap: 20px;
		}

	button {
  		border: 1px solid black;
  		height: 40px; 
		width: 100px;
  		margin-bottom:10px;
		font-size: medium;
		box-shadow: 2px 5px 2px 1px #000;
		}

	h2 {
  		text-align: center;
  		font-size: 15px;
		}

	h1 {
  		text-align: center;
  		font-size: 18px;
  		margin-bottom: 10px;
		}

	.red {
  		font-size: 18px;
  		color: red;
 		 }

	.blue {
  		font-size: 18px;
  		color: blueviolet;
  		}

	.green {
  		font-size: 18px;
  		color: greenyellow;
  		}

	.orange {
  		font-size: 18px;
  		color: orangered;
  		}
	
	.white {
  		font-size: 18px;
  		color: whitesmoke;
		}