@import url('https://fonts.googleapis.com/css2?family=Quicksand:wght@300;400;500&display=swap');

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

body {
	display: flex;
	justify-content: center;
	align-items: center;
	min-height: 100vh;
	background-image: url(20.jpg);
	background-repeat: no-repeat;
   	background-size: cover;
	overflow: hidden;
}

section::before {
	content: '';
	position: absolute;
	width: 400px;
	height: 400px;
	background: linear-gradient(90deg,orangered,red);
	box-shadow: 0 0 10px rgb(255, 0, 0),
				0 0 20px rgb(245, 12, 12),
				0 0 40px rgb(255, 0, 0),
				0 0 80px rgb(245, 15, 15),
				0 0 100px rgb(255, 35, 35),
				0 0 200px orangered;
	border-radius: 50%;
	transform: translate(-700px,300px);
}

section::after {
	content: '';
	position: absolute;
	width: 60px;
	height: 60px;
	background: linear-gradient(#fff,#fff);
	box-shadow: 0 0 10px #fff,
				0 0 20px #fff,
				0 0 40px #fff,
				0 0 60px #fff,
				0 0 80px #fff,
				0 0 100px #fff;
	border-radius: 50%;
	transform: translate(350px,-320px);
}

.container {
	position: relative;
	background: rgba(255, 255, 255, 0.05);
	border-radius: 6px;
	overflow: hidden;
	z-index: 10;
	backdrop-filter: blur(10px);
	border-top: 1px solid rgba(255, 255, 255, 0.2);
	border-left: 1px solid rgba(255, 255, 255, 0.2);
	box-shadow: 5px 5px 30px rgba(0,0,0,0.2);
}

.container .calculator {
	position: relative;
	display: grid;
}

.container .calculator .value {
	grid-column: span 4;
	height: 140px;
	width: 300px;
	text-align: right;
	border: none;
	outline: none;
	padding: 10px;
	font-size: 30px;
	background: transparent;
	color: #fff;
	border-bottom: 1px solid rgba(255, 255, 255, 0.5);
	border-right: 1px solid rgba(255, 255, 255, 0.5);
}

.container .calculator span {
display: grid;
place-items: center;
width: 75px;
height: 75px;
font-size: x-large;
color: #fff;
cursor: pointer;
border-bottom: 1px solid rgba(255, 255, 255, 0.5);
border-right: 1px solid rgba(255, 255, 255, 0.5);
transition: 0.5s;	
}

.container .calculator span:hover {
	transition: 0s;
	background: rgba(255, 255, 255, 0.05);
}

.container .calculator span:active {
	background: green;
	color: #192f00;
	font-size: 24px;
	font-weight: 500;
}

.container .calculator .clear {
	grid-column: span 2;
	width: 150px;
	background: rgba(255, 255, 255, 0.05);
}

.container .calculator .plus {
	grid-row: span 2;
	height: 150px;
}