body {
    margin: 60px auto;
    width: 70%;
}
nav ul, footer ul {
    font-family:'Helvetica', 'Arial', 'Sans-Serif';
    padding: 0px;
    list-style: none;
    font-weight: bold;
}
nav ul li, footer ul li {
    display: inline;
    margin-right: 20px;
}
a {
    text-decoration: none;
    color: #999;
}
a:hover {
    text-decoration: underline;
}
h1 {
    font-size: 1.8em;
    font-family:'Helvetica', 'Arial', 'Sans-Serif';
}
h2 {
    font-size: 1.5em;
    font-family:'Helvetica', 'Arial', 'Sans-Serif';
}
p {
    font-size: 1.2em;
    line-height: 1.1em;
    color: #333;
}
footer {
    border-top: 1px solid #d5d5d5;
    font-size: .8em;
}
pre {
	background-color: #EBECE4;
	border-radius: 3px;
	white-space: pre-wrap;
	border: 1px solid gray;
}

ul.posts { 
    margin: 20px auto 40px; 
    font-size: 1.5em;
}

ul.posts li {
    list-style: none;
}

div.art_thumbnail_box {
	float: left;
	width: 100px;
	height: 200px;
	margin: 10px;
	border: 1px solid #000000;  
}

div.video-responsive{
    overflow:hidden;
    padding-bottom:56.25%;
    position:relative;
    height:0;
    width:100%;
    height:100%;
	max-width: 560px;
	max-height: 315px;
}

div.video-responsive iframe{
    left:0;
    top:0;
    width:100%;
    height:100%;
	max-width: 560px;
	max-height: 315px;
    position:absolute;
}