body{
	background:#000000;
	width: 80%;
	height: auto;
	position: relative;
	margin: 3.13em auto;
	padding: 1.25em;
	box-shadow: 0 0 15px 5px;
	font-family: Arial, Helvetica, Georgia, Verdana, 'sans-serif';
	font-size: 1.5em;
	text-align: justify;
	text-decoration: none;
}
h1 {
  color: #F0FFFF;
	font-family: 'Rock Salt', cursive;
  font-size:30px;
  text-align: center;
  text-decoration: overline;
}

#calculator{
	background-color: #F0FFFF;
	border: 1em rgba(153, 153, 102, 1);/*#999966*/
	width: 350px;
	height: 300px;
	margin: auto auto;
	padding: 0.8em;
	border-radius: 1em;
}

#input{
	background-color: rgba(179, 179, 179, 0.5);/*b3b3b3*/
	width: 100%;
	height: 1.8em;
	position: relative;
	margin: 0 auto;
	border-radius: 0.5em;
	border: 0.5em inset ligthgrey;
	font-family: 'Iceland', cursive;
	font-size: 90%;
	color: rgba(0, 0, 0, 1);/*#000000*/
	text-align: right;
	margin-bottom: 30px;
}



#buttons {
	background-color: transparent;
	width: 100%;
	height: auto;
	position: relative;
	margin: 0 auto;



}


button {
    height: 40px;
    width: 40px;
		margin-bottom: 15px;
		margin-right: 15px;
}