Actually needed SASS-file, fix for of previous commit

Author: Altai-man

assets/sass/style.scss

@@ -554,3 +554,28 @@ div.highlight span.c-Singleline, div.highlight span.c {
         }
     }
 }
+
+/* hide TOC */
+.hiddenTOC {
+  font-size: 0;
+  margin: 0;
+  opacity: 0;
+  padding: 0;
+  /* fade out, then shrink */
+  -webkit-transition: opacity .25s, font-size .5s .25s, margin .5s .25s, padding .5s .25s;
+  -moz-transition: opacity .25s, font-size .5s .25s, margin .5s .25s, padding .5s .25s;
+  -o-transition: opacity .25s, font-size .5s .25s, margin .5s .25s, padding .5s .25s;
+  -ms-transition: opacity .25s, font-size .5s .25s, margin .5s .25s, padding .5s .25s;
+  transition: opacity .25s, font-size .5s .25s, margin .5s .25s, padding .5s .25s;
+
+}
+
+/* reveal TOC */
+.shownTOC {
+    /* unshrink, then fade in */
+    -webkit-transition: font-size .25s, margin .25s, padding .25s, opacity .5s .25s;
+    -moz-transition: font-size .25s, margin .25s, padding .25s, opacity .5s .25s;
+    -o-transition: font-size .25s, margin .25s, padding .25s, opacity .5s .25s;
+    -ms-transition: font-size .25s, margin .25s, padding .25s, opacity .5s .25s;
+    transition: font-size .25s, margin .25s, padding .25s, opacity .5s .25s;
+}