all.css in isodoc-2.11.1

- old
+ new
@@ -220,9 +220,49 @@
 h5:hover > a.anchor,
 h6:hover > a.anchor,
 .inline-header:hover > a.anchor {
   visibility: visible; }
 
+/* collapsible snippets: collapsible before hidable */
+.hidable {
+  max-height: 0;
+  overflow: hidden;
+  transition: max-height 0.2s ease-out; }
+
+.collapsible {
+  background-color: #777;
+  color: white;
+  cursor: pointer;
+  padding: 12px 0;
+  margin: 0;
+  width: 100%;
+  border: none;
+  text-align: left;
+  outline: none;
+  font-size: 15px; }
+
+.active, .collapsible:hover {
+  background-color: #555; }
+
+.collapsible:after {
+  content: '\25bc';
+  color: white;
+  font-weight: bold;
+  float: right;
+  margin-left: 12px;
+  margin-right: 12px; }
+
+.active:after {
+  content: "\25b2"; }
+
+/* collapsible: */
+.collapsible + .hidable {
+  margin-top: 0; }
+
+.collapsible:not(.active) + .hidable {
+  overflow: hidden;
+  padding: 0; }
+
 #standard-band {
   background-color: #0AC442; }
 
 #standard {
   border-bottom: solid 3px #0AC442; }