body {
    overflow: hidden;
}

html, body {
    height: 100%;
}

#main-section {
    min-height: 100%;
}

#container {
    position: absolute;
    margin: 0 auto;
    min-height: 100%;
}

.panel-heading a:after {
    font-family:'Glyphicons Halflings';
    content:"\e114";
    float: right;
    color: grey;
}

.panel-heading a.collapsed:after {
    content:"\e080";
}