.fullscreen #content
{
    box-sizing: border-box;
}

.fullscreen #content,
.fullscreen #breadcrumps,
.fullscreen #header,
.fullscreen .tablistwrap,
.fullscreen table
{
    width:98%;
    left:0;
    margin-left:10px;
    margin-right: 10px;
}

.fullscreen div.instance-preview iframe
{
    width: 1000px;
    height: 700px;
}