#header {
  margin-bottom: 2em;
}

#content {
  margin: 2em 0 2em 0;
}

#footer {
  margin-top: 2em;
  padding-top: 0.5em;
  border-top: 1px solid lightgrey;
}

table.sortable-table th {
	background-repeat: no-repeat;
	background-position: right;
}

table.sortable-table th.sortable-header:hover {
  cursor: pointer;
}

table.sortable-table th.header-sort-up {
	background-image: url(asc.gif);
  color: green;
}

table.sortable-table th.header-sort-down {
	background-image: url(desc.gif);
  color: green;
}