.jumbotron {
    color: #fff;
    text-shadow: 0 1px 3px rgba(0,0,0,.4), 0 0 30px rgba(0,0,0,.075);
    background: #020031; /* Old browsers */
    background: -moz-linear-gradient(45deg,  #020031 0%, #6d3353 100%); /* FF3.6+ */
    background: -webkit-gradient(linear, left bottom, right top, color-stop(0%,#020031), color-stop(100%,#6d3353)); /* Chrome,Safari4+ */
    background: -webkit-linear-gradient(45deg,  #020031 0%,#6d3353 100%); /* Chrome10+,Safari5.1+ */
    background: -o-linear-gradient(45deg,  #020031 0%,#6d3353 100%); /* Opera 11.10+ */
    background: -ms-linear-gradient(45deg,  #020031 0%,#6d3353 100%); /* IE10+ */
    background: linear-gradient(45deg,  #020031 0%,#6d3353 100%); /* W3C */
    filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#020031', endColorstr='#6d3353',GradientType=1 ); /* IE6-9 fallback on horizontal gradient */
    -webkit-box-shadow: inset 0 3px 7px rgba(0,0,0,.2), inset 0 -3px 7px rgba(0,0,0,.2);
    -moz-box-shadow: inset 0 3px 7px rgba(0,0,0,.2), inset 0 -3px 7px rgba(0,0,0,.2);
    box-shadow: inset 0 3px 7px rgba(0,0,0,.2), inset 0 -3px 7px rgba(0,0,0,.2);
}

.www { color:LightSeaGreen ; }
.icwsm { color:DarkOrange; }
.gap-right { margin-right:5px; }
.gap-left { margin-left:5px; }
.authors { font-weight:bold; margin-top:3mm; }
.talk-title { font-weight:bold; margin-bottom:3mm; }
.table-nonfluid { width: auto !important; }