diff --git a/less/navs.less b/less/navs.less
index 511eabb87..1ccfaa396 100755
--- a/less/navs.less
+++ b/less/navs.less
@@ -51,7 +51,7 @@
 .nav-tabs-custom {
     margin-bottom: 20px;
     background: #fff;
-    box-shadow: 0px 1px 3px rgba(0, 0, 0, 0.1);
+    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
     > .nav-tabs {
         margin: 0;
         border-bottom-color: #f4f4f4;
@@ -88,7 +88,7 @@
         }
 
         > li:first-of-type {
-            margin-left: 0px;
+            margin-left: 0;
             &.active {
                 > a {
                     border-left-width: 0;
@@ -103,11 +103,11 @@
                 float: right;
             }
             > li:first-of-type {
-                margin-right: 0px;
+                margin-right: 0;
                 &.active {
                     > a {
                         border-left-width: 1px;
-                        border-right-width: 0px;
+                        border-right-width: 0;
                     }
                 }
             }
@@ -151,11 +151,11 @@
     > li > a {
         background: #fafafa;
         color: #666;
-        -webkit-box-shadow: inset 0px -2px 0px 0px rgba(0,0,0,0.09);
-        -moz-box-shadow: inset 0px -2px 0px 0px rgba(0,0,0,0.09);
-        box-shadow: inset 0px -1px 0px 0px rgba(0,0,0,0.09);
+        -webkit-box-shadow: inset 0 -2px 0 0 rgba(0,0,0,0.09);
+        -moz-box-shadow: inset 0 -2px 0 0 rgba(0,0,0,0.09);
+        box-shadow: inset 0 -1px 0 0 rgba(0,0,0,0.09);
     }
     > li:first-of-type a, > li:last-of-type a {
         .border-radius(0);
     }
-}
\ No newline at end of file
+}