fix clash of zoom button hover styles with Bootstrap, close #1791

CHANGELOG.md

@@ -6,7 +6,8 @@ Leaflet Changelog
 ## 0.7 (master)
 
 An in-progress version being developed on the master branch.
-No changes since the latest stable yet.
+
+ * Fixed a bug where zoom buttons inherited Bootstrap link hover styles. [#1791](https://github.com/Leaflet/Leaflet/issues/1791)
 
 ## 0.6 (June 26, 2013)
 

dist/leaflet.css

@@ -197,7 +197,7 @@
 	-webkit-border-radius: 4px;
 	        border-radius: 4px;
 	}
-.leaflet-bar a {
+.leaflet-bar a, .leaflet-bar a:hover {
 	background-color: #fff;
 	border-bottom: 1px solid #ccc;
 	width: 26px;