.left-column{
	float: right;
	display: block;
	margin-left:1em;
	position: relative;
	z-index: 1;
	background: white;
}
.page-col-sd {
  display: none;
}
@media (min-width: 1904px) {
  .left-column.flex.xl2 {
    flex-basis: 25%;
    flex-grow: 0;
    max-width: 25%;
  }
}
sidebar{
	border: solid;
	border-color: #ddd;
	border-radius: 5pt;
	padding:1em;
	max-width: 250pt;
	display:block;
}

sidebar ul{
	padding:1em;
}

.contents .code-toolbar{
	display:none;
}
.nav-header{
	z-index: 99999;
}