@import url("Poppins.css");

body {
	font-family: "Poppins";
	margin: 0;
	height: 100vh;
	display: flex;
	justify-content: center;
	align-items: center;
	background: #D9D9D9;
}

#calculator {
	width: 20%;
	box-shadow: 0px 0px 20px 4px #333333;
	border-radius: 10px 10px 0px 0px;
}

#output {
	width: 100%;
	height: 80px;
	box-sizing: border-box;
	font-size: 3em;
	padding: 0px 15px 0px 15px;
	background-color: #333333;
	border: none;
	color: white;
	border-radius: 10px 10px 0px 0px;
}

#keys {
	display: grid;
	grid-template-columns: repeat(4, 60px);
	grid-row-gap: 3%;
    grid-column-gap: 5%;
    padding: 15px 10px 80px 10px;
	justify-content: center;
	align-items: center; 
	background-color: #262626;
}

button {
	width: 60px;
	height: 60px;
	border-radius: 50%;
	border: none;
	font-size: 24px;
	font-weight: bold;
	background: #4d4d4d;
	color: white;
	cursor: pointer;
}

button:nth-child(4n+1) {
	background: #ff9f1a;
}

button:nth-child(4n+1):hover {
	background: #ffb54c;
}

button:hover {
	background: #363636;
}