body{
	margin: 0;
	padding: 0;
    font-family: 'Montserrat', sans-serif;
	font-family: 'Nunito', sans-serif;
	transition: 0.6s;
	-webkit-transition: 0.6s;
	-moz-transition: 0.6s;
	-ms-transition: 0.6s;
	-o-transition: 0.6s;
}

h1{
	text-align: center;
	font-size: 40px;
	font-weight: 400;
	text-shadow:  5px 1px 8px #1d3663;

}
.first{
	display: flex;
	align-items: center;
	justify-content: space-between;
	justify-items: center;
	margin-left: 30px;
	
}
#icon{
	width: 50px;
	margin-right: 30px;
	
}
.container{
	
    width: 320px;
	height: 520px;
	background-color: #e5f4ff;
	margin: 0 auto;
	position: relative;
	border-radius: 10px;
	box-shadow:  0px 1px 13px 5px rgb(0 0 0 / 20%), 0 6px 20px 0 rgb(0 0 0 / 19%);
}
#result{
    height: 25%;
    background-color: rgb(201, 220, 220);
    border-radius: 10px 10px 20px 20px;
    margin-bottom: 8px;
   
}
#history{
    text-align: right;
	height: 18px;
	margin: 0 20px;
	padding-top: 20px;
	font-size: 20px;
	color: #898585;

}
#output{
    text-align: right;
	height: 60px;
	margin: 12px 18px;
	font-size: 31px;
}
#keyboard{
    height: 75%;
    justify-content: center;
    justify-items: center;
    padding: 8px;
}

.operator, .number, .empty{
	width: 62px;
	height: 62px;
	margin: 6px;
	float: left;
	border-radius: 50%;
	border-width: 0;
	font-weight: 200;
	font-size: 20px;
}
.number{
	background-color: #cedde1;
}
.empty{
    background-color:#e5f4ff ;
}
.number, .operator{
	cursor: pointer;
}
.operator:active, .number:active{
	font-size: 13px;
    background-color: #919191;
	transition: background-color 0.3s;
	
}

.operator:focus, .number:focus, .empty:focus{
	outline: 0;
}
.operator{
    background-color: rgb(127, 195, 243);
}

h4{
	margin-top: 20px;
	text-align: center;
	font-weight: bold;
	margin-bottom: 3px;
}

.end{
	display: flex;
	justify-content: center;
	align-items: center;

}
.endlogo{
	width: 36px;
	height: 36px;
	margin: 3px;

}
.endlogo:hover{
	width: 42px;
	height: 42px; 
	transition: height 0.1s;
	transition: width 0.1s;
}