diff --git a/less/theme.less b/less/theme.less
index 71d1d1e6b9..b510b7a8df 100644
--- a/less/theme.less
+++ b/less/theme.less
@@ -31,7 +31,7 @@
 }
 
 // Mixin for generating new styles
-.btn-styles(@btn-color: #555;) {
+.btn-styles(@btn-color: #555) {
   #gradient > .vertical(@start-color: @btn-color; @end-color: darken(@btn-color, 12%));
   background-repeat: repeat-x;
   border-color: darken(@btn-color, 14%);
@@ -59,7 +59,7 @@
 }
 
 // Apply the mixin to the buttons
-.btn-default { .btn-styles(@btn-default-bg;); text-shadow: 0 1px 0 #fff; border-color: #ccc; }
+.btn-default { .btn-styles(@btn-default-bg); text-shadow: 0 1px 0 #fff; border-color: #ccc; }
 .btn-primary { .btn-styles(@btn-primary-bg); }
 .btn-success { .btn-styles(@btn-success-bg); }
 .btn-warning { .btn-styles(@btn-warning-bg); }
@@ -103,13 +103,13 @@
 
 // Default navbar
 .navbar-default {
-  #gradient > .vertical(@start-color: lighten(@navbar-default-bg, 10%); @end-color: @navbar-default-bg;);
+  #gradient > .vertical(@start-color: lighten(@navbar-default-bg, 10%); @end-color: @navbar-default-bg);
   border-radius: @navbar-border-radius;
   @shadow: inset 0 1px 0 rgba(255,255,255,.15), 0 1px 5px rgba(0,0,0,.075);
   .box-shadow(@shadow);
 
   .navbar-nav > .active > a {
-    #gradient > .vertical(@start-color: darken(@navbar-default-bg, 5%); @end-color: darken(@navbar-default-bg, 2%););
+    #gradient > .vertical(@start-color: darken(@navbar-default-bg, 5%); @end-color: darken(@navbar-default-bg, 2%));
     .box-shadow(inset 0 3px 9px rgba(0,0,0,.075));
   }
 }
@@ -120,10 +120,10 @@
 
 // Inverted navbar
 .navbar-inverse {
-  #gradient > .vertical(@start-color: lighten(@navbar-inverse-bg, 10%); @end-color: @navbar-inverse-bg;);
+  #gradient > .vertical(@start-color: lighten(@navbar-inverse-bg, 10%); @end-color: @navbar-inverse-bg);
 
   .navbar-nav > .active > a {
-    #gradient > .vertical(@start-color: @navbar-inverse-bg; @end-color: lighten(@navbar-inverse-bg, 2.5%););
+    #gradient > .vertical(@start-color: @navbar-inverse-bg; @end-color: lighten(@navbar-inverse-bg, 2.5%));
     .box-shadow(inset 0 3px 9px rgba(0,0,0,.25));
   }
 
@@ -173,7 +173,7 @@
 
 // Give the progress background some depth
 .progress {
-  #gradient > .vertical(@start-color: darken(@progress-bg, 4%); @end-color: @progress-bg;)
+  #gradient > .vertical(@start-color: darken(@progress-bg, 4%); @end-color: @progress-bg)
 }
 
 // Mixin for generating new styles
@@ -237,7 +237,7 @@
 // --------------------------------------------------
 
 .well {
-  #gradient > .vertical(@start-color: darken(@well-bg, 5%); @end-color: @well-bg;);
+  #gradient > .vertical(@start-color: darken(@well-bg, 5%); @end-color: @well-bg);
   border-color: darken(@well-bg, 10%);
   @shadow: inset 0 1px 3px rgba(0,0,0,.05), 0 1px 0 rgba(255,255,255,.1);
   .box-shadow(@shadow);