hr {
    border-color: #aaa;
    border-width: 1px 0 0 0;
    border-style: solid;
    margin: 20px;
}


.article-title {
    display: block;
    width: 100%;
    padding-bottom: 13px;
    border-bottom: 1px solid #ccc;
    margin-bottom: 10px;    
}

.bb-n {
     background: url(http://web.mit.edu/lbh/www/ps_neutral/ps_neutral.png);
}

h1 a{
 color: #2e2e2e;   
}

.date-display-single{
    font-style:italic;
}

.rc-6 .content-style{
    /*background:url(http://web.mit.edu/lbh/www/linedpaper/linedpaper.png)*/
    border-radius:15px;
    border-color:#555;
}

#header-wrapper {
    background: url(http://web.mit.edu/lbh/www/always_grey/always_grey.png);
    margin-bottom: 40px;
    margin-top: -20px;
    box-shadow: inset 0 -20px 20px -10px rgba(0,0,0,0.5);
}

#branding {
    width: 100%;
    background-image: url(http://web.mit.edu/lbh/www/tree51.png);
    /*padding-left: 110px;*/
    padding: 45px 0 20px 115px;
    background-repeat: no-repeat;
    background-size: 90px;
    background-position: 10px bottom;
    /*padding-top: 45px;*/
}

#site-name a{
    color: #eee;
    /*text-shadow: 2px 2px 2px black;*/
}

.video-container {
	position:relative;
	padding-bottom:56.25%;
	padding-top:30px;
	height:0;
	overflow:hidden;
}

.video-container iframe, .video-container object, .video-container embed {
	position:absolute;
	top:0;
	left:0;
	width:100%;
	height:100%;
}


@media only screen and (min-width: 1025px) {
    #branding {
        margin-left: -110px;
    }
    
    .sn-large #site-name{
        font-size:60px;
    }
    #header-wrapper {
        margin-bottom:20px;
    }
    #mitlogo {
        float:right;
    }
}

@media only screen and (min-width: 769px) and (max-width: 1024px) {
    .sn-large #site-name{
        font-size:50px;
    }
    #branding {
        background-size: 80px;
    }
    #header-wrapper {
        margin-bottom:15px;
    }
    #mitlogo {
        float:right;
    }
}

@media only screen and (min-width: 481px) and (max-width: 768px) {
    .sn-large #site-name{
        font-size:40px;
    }
    #branding {
        padding: 35px 0 10px 80px;
        background-size: 55px;
    }
    #header-wrapper {
        margin-bottom:10px;
    }
    #headshot {
        float:left;
        margin-right:10px;
        display:block;
    }
    #about{
        display:block;   
    }
}

@media only screen and (min-width:240px) and (max-width: 480px) {
    .sn-large #site-name{
        font-size:30px;
    }
    #branding {
        padding: 35px 0 10px 0;
        background-size: 45px;
    }
    #header-wrapper {
        margin-bottom:5px;
    }
    #headshot {
        float:left;
        margin-right:10px;
        display:block;
    }
    #about{
        display:block;   
    }
}