@import url('https://fonts.googleapis.com/css2?family=Roboto:ital,wght@0,100..900;1,100..900&display=swap');

*{
	margin: 0;
	padding: 0;
	box-sizing: border-box;
	font-family: 'Roboto', Arial, Helvetica, sans-serif;
}

body {
	display: flex;
	height: 100vh;
	justify-content: center;
	align-items: center;
	flex-direction: column;
	gap: 8px;
	color: #FFFFFF;
}

h1{
	color: #252B38;
}

.container {
	width: 375px;
	background: #252B38;
	border-radius: 24px;
	display: flex;
	flex-direction: column;
	padding: 16px;
}

.buttons-container {
	display: flex;
	flex-direction: column;
	gap: 10px;
}


.row{
	display: flex;
	gap: 10px;
	justify-content: center;
	align-items: center;
}

button {
	color: #FFFFFF;
	background: #393E51;
	border-radius: 12px;
	padding: 18px;
	font-size: 21px;
	flex: 1;
	border: none;
	cursor: pointer;
}

button:hover {
	background: #545F71;
}

.operator,
#equal,
#percentage
{
	background: #D9781F;
}

.operator:hover,
#percentage:hover
{
	background: #f38e2f;
}

#clean,
#delete
{
	background: #545F71;
}

#clean:hover,
#delete:hover
{
	background: #393E51;
}


#zero{
	flex: 3;
}

#display{
	color: #FFFFFF;
	padding-top: 40px;
	text-align: right;
	font-size: 46px;
	overflow-x: hidden;
	height: 94px;
}

#expression {
	text-align: right;
	height: 20px;
}

#copyright
{
	text-align: center;
	color: #252B38;
}

#copyright a{
	text-decoration: none;
	color: #D9781F;
}