body {
	background: #eeeeee;
	margin: 0;
    padding: 0;
} 
#book {
	margin-top: 40px;
}
.container {
	position: relative;
	margin: auto;
	height: auto;
	width: 100%;
	max-width: 465px;
}

.container img {
	width: 100%;
	height: auto;
	padding: 2px;
	border: 2px solid #808080;
}

.container .button {
	position: absolute;
	width: 40%;
	transform: translate(-50%, -50%);
	-ms-transform: translate(-50%, -50%);
	color: rgba(200,200,200);
	background: rgba(0,0,0,0);
	font-size: 14px;
	padding: 10px 15px;
	border: 1px solid gray;
	border-radius: 9px;
}
#b1 {
	top: 67%;
	left: 40%;
}
#b2 {
	top: 80%;
	left: 40%;
}
.container .button:hover {
	border: 1px solid white;
}