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

body {
    background-color: lightgray;
    font-family: 'Roboto', sans-serif;
}

body div.mycalc {
	text-align: center;
	width: 214px;
	margin: 0 auto;
}

div input[type='button'], button {
	width: 50px;
	height: 50px;
	margin: 2px 0;
}

div input[type="text"] {
	height: 50px;
	width: 100%;
	background-color: #999;
	color: #fff;
	padding: 12px 20px;
    margin-top: 100px;
    margin-bottom: 4px;
    box-sizing: border-box;
    border-radius: 4px;
    border: 1px solid #777;
}

div.results input, div.results button {
	height: 50px;
	width: 104px;
}

div.results button {
	background-color: orange;
	color: #fff;
	border: 1px solid orange;
}

div.results input {
	background-color: orange;
	color: #fff;
    border: 1px solid orange;
    
}

#plus, #minus, #by, #devide, #percent {
	background-color: orange;
	color: #fff;
	border: 1px solid ;
    font-size: 16px;
    border-radius: 50%;
}
#input, #one, #two, #three, #four, #five, #six, #seven, #eight, #nine, #zero, #decimal{
    background-color: darkgray;
	color: #fff;
	border: 1px solid;
    font-size: 16px;
    border-radius: 50%;
    
}