body {
	font-family: "Open Sans", sans-serif;
	color: #454545;
	font-size: 20px;
	margin: 2em auto;
	max-width: 1800px;
	padding: 1em;
	line-height: 1.4;
	text-align: justify;
	background-color: #fefefe;
	overflow-y: hidden;
	overflow-x: hidden;
}

a { color: #07a; }
a:visited { color: #941352; }

img[class="centered"] {
	margin: 0 auto;
	display: block;
	box-shadow: 2px 2px 4px rgba(0, 0, 0, 0.4);
}

table {
	border-collapse: collapse;
	margin: 1em auto;
}
th, td {
	padding: 1em;
	border: 1px solid #454545;
	margin: 0;
}


pre {
	background-color: #d9d9d9 ;
	color: #000;
	padding: 1em;
}

details {
	padding: 1em 0 1em 0;
}

li {
	margin-bottom: 1em;
}


@media screen and (max-width:767px) {
	html, body {
		overflow: hidden;
	}
	}

button{
	background-color:  #fefefe;
	border-radius: 50%;
	padding: 2px 2px;
	border: none;
	margin: 4px 2px;
  	cursor: pointer;
}
#orange:focus{
	background-color: #d45500;
}
#bloodorange:focus{
	background-color: #ff3e31;
}
#lime:focus{
	background-color: #44aa00;
}
#lemon:focus{
	background-color: #ffcc00 ;
}
#eraser:focus{
	background-color: #d9d9d9;
}
#download_image_link:focus{
	background-color: #454545;
}