diff --git a/doc/_static/css/custom.css b/doc/_static/css/custom.css
new file mode 100644
index 000000000..10abb4572
--- /dev/null
+++ b/doc/_static/css/custom.css
@@ -0,0 +1,17 @@
+/* Make equation numbers float to the right */
+.eqno {
+    margin-left: 5px;
+    float: right;
+}
+/* Hide the link... */
+.math .headerlink {
+    display: none;
+    visibility: hidden;
+}
+/* ...unless the equation is hovered */
+.math:hover .headerlink {
+    display: inline-block;
+    visibility: visible;
+    /* Place link in margin and keep equation number aligned with boundary */
+    margin-right: -0.7em;
+}
diff --git a/doc/conf.py b/doc/conf.py
index 1209d7d3f..a77ed8709 100644
--- a/doc/conf.py
+++ b/doc/conf.py
@@ -185,5 +185,7 @@
      'Miscellaneous'),
 ]
 
+def setup(app):
+    app.add_stylesheet('css/custom.css')