diff --git a/alabaster/static/alabaster.css_t b/alabaster/static/alabaster.css_t
index 3964f98..231206f 100644
--- a/alabaster/static/alabaster.css_t
+++ b/alabaster/static/alabaster.css_t
@@ -121,6 +121,11 @@ div.relations {
 }
 {% endif %}
 
+div.sphinxsidebar {
+    max-height: 100%;
+    overflow-y: auto;
+}
+
 div.sphinxsidebar a {
     color: {{ theme_sidebar_link }};
     text-decoration: none;
@@ -207,6 +212,14 @@ div.sphinxsidebar input {
     font-size: 1em;
 }
 
+div.sphinxsidebar #searchbox input[type="text"] {
+    width: 160px;
+}
+
+div.sphinxsidebar .search > div {
+    display: table-cell;
+}
+
 div.sphinxsidebar hr {
     border: none;
     height: 1px;