* {
	padding: 0;
	margin: 0;
	outline: none;
}
	
html, body {
	width: 100%;
	height: 100%;
}

body {
	background: url(bg.jpg) no-repeat;
	background-size: cover;
}

#container {
	position: relative;
	width: 100%;
	height: 100%;
}

#logo-box {
	position: relative;
	width: 500px;
	height: 500px;
	margin: auto;
	margin-top: -250px;
	top: 50%;
	background: #fff;
	/*box-shadow: -8px 8px 10px #f0f0f0;*/
	box-shadow: -8px 8px 20px 1px rgba(0, 0, 0, 0.2);
	padding: 216px 50px;
	box-sizing: border-box;
}

#logo {
	position: relative;
	width: 100%;
	height: 100%;
	background: red;
}

@media screen and (min-width:0px) and (max-width: 768px) {	
	#logo-box {
		position: relative;
		width: 80%;
		height: auto;
		margin: auto;
		margin-top: -40%;
		top: 50%;
		padding: 0%;
	}
	#logo-box:before {
		content: "";
		display: block;
		padding-top: 100%;
	}
	
	#logo-box img {
		width: 70%;
		position:  absolute;
		top: 45%;
		left: 15%;
		bottom: 0;
		right: 0;
	}
}