DOC: Fix grid layout of gallery.

doc/ext/gen_rst.py

@@ -186,6 +186,7 @@ def generate_dir_rst(dir, fhindex, example_dir, root_dir, plot_gallery):
             fhindex.write('.. figure:: %s\n' % thumb)
             if link_name.startswith('._'):
                 link_name = link_name[2:]
+            fhindex.write('   :figclass: gallery\n')
             if dir != '.':
                 fhindex.write('   :target: ./%s/%s.html\n\n' % (dir, fname[:-3]))
             else:

doc/source/themes/agogo/static/agogo.css_t

@@ -637,6 +637,16 @@ th {
   font-size: 80%;
 }
 
+/* ----------------- Example Gallery ----------------- */
+
+.gallery {
+    min-height: 250px;
+}
+
+.gallery p.caption a{
+    text-decoration: none;
+}
+
 /* ----------------- Coverage States ----------------- */
 span.missing{
 	color: #000;