Adjust placement of toggleable depending of the context

wiki/src/install/inc/stylesheets/assistant.css

@@ -218,8 +218,7 @@ ul {
   padding: 0;
   margin-left: auto;
   margin-right: auto;
-  margin-top: -15px;
-  width: 80%;
+  margin-top: -5px;
   position: absolute;
   text-align: left;
   font-size: 13px;
@@ -227,9 +226,23 @@ ul {
 }
 
 #download-and-verify div.toggleable {
+  margin-top: -1.2em;
+  width: 48em;
   position: relative;
 }
 
+#needs div.toggleable {
+  margin-top: 0.4em;
+  width: 40em;
+  left: -10em;
+}
+
+#scenarios div.toggleable {
+  left: -5em;
+  margin-top: 0.3em;
+  width: 35em;
+}
+
 #pagebody #content a.toggle  {
   border-bottom: 1px dashed black !important;
   cursor: help;