diff --git a/bootstrap-1.0.0.css b/bootstrap-1.0.0.css
index 835fa9e7b..39f628dfe 100644
--- a/bootstrap-1.0.0.css
+++ b/bootstrap-1.0.0.css
@@ -6,7 +6,7 @@
  * http://www.apache.org/licenses/LICENSE-2.0
  *
  * Designed and built with all the love in the world @twitter by @mdo and @fat.
- * Date: Sun Aug 21 13:04:33 PDT 2011
+ * Date: Sun Aug 21 13:22:36 PDT 2011
  */
 /* Reset.less
  * Props to Eric Meyer (meyerweb.com) for his CSS reset file. We're using an adapted version here	that cuts out some of the reset HTML elements we will never need here (i.e., dfn, samp, etc).
@@ -396,6 +396,7 @@ a:hover {
   font-size: 13px;
   line-height: 18px;
   border: 1px solid rgba(0, 0, 0, 0.1);
+  border-bottom-color: #ddd;
   border-bottom-color: rgba(0, 0, 0, 0.25);
   -webkit-border-radius: 4px;
   -moz-border-radius: 4px;
@@ -426,6 +427,8 @@ a:hover {
   background-image: linear-gradient(#049cdb, #0064cd);
   color: #fff;
   text-shadow: 0 -1px 0 rgba(0, 0, 0, 0.25);
+  border-bottom-color: #003f81;
+  border-bottom-color: rgba(0, 0, 0, 0.25);
 }
 .btn.primary:hover {
   color: #fff;
diff --git a/bootstrap-1.0.0.min.css b/bootstrap-1.0.0.min.css
index 362309764..35203b59c 100644
--- a/bootstrap-1.0.0.min.css
+++ b/bootstrap-1.0.0.min.css
@@ -47,8 +47,8 @@ div.container-fluid:after{clear:both;}
 div.container-fluid div.sidebar{float:left;width:220px;}
 div.container-fluid div.content{min-width:700px;max-width:1180px;margin-left:240px;}
 a{color:#0069d6;text-decoration:none;line-height:inherit;}a:hover{color:#0050a3;text-decoration:underline;}
-.btn{display:inline-block;background-color:#e6e6e6;background-repeat:no-repeat;background-image:-webkit-gradient(linear, 0 0, 0 100%, from(#ffffff), color-stop(0.25, #ffffff), to(#e6e6e6));background-image:-webkit-linear-gradient(#ffffff, color-stop(0.25, #ffffff), #e6e6e6);background-image:-moz-linear-gradient(#ffffff, color-stop(#ffffff, 0.25), #e6e6e6);background-image:-ms-linear-gradient(#ffffff, color-stop(#ffffff, 0.25), #e6e6e6);background-image:-o-linear-gradient(#ffffff, color-stop(#ffffff, 0.25), #e6e6e6);background-image:linear-gradient(#ffffff, color-stop(#ffffff, 0.25), #e6e6e6);padding:4px 14px;text-shadow:0 1px 1px rgba(255, 255, 255, 0.75);color:#333333;font-size:13px;line-height:18px;border:1px solid rgba(0, 0, 0, 0.1);border-bottom-color:rgba(0, 0, 0, 0.25);-webkit-border-radius:4px;-moz-border-radius:4px;border-radius:4px;-webkit-box-shadow:inset 0 1px 0 rgba(255, 255, 255, 0.2),0 1px 2px rgba(0, 0, 0, 0.05);-moz-box-shadow:inset 0 1px 0 rgba(255, 255, 255, 0.2),0 1px 2px rgba(0, 0, 0, 0.05);box-shadow:inset 0 1px 0 rgba(255, 255, 255, 0.2),0 1px 2px rgba(0, 0, 0, 0.05);-webkit-transition:0.1s linear all;-moz-transition:0.1s linear all;transition:0.1s linear all;}.btn:hover{background-position:0 -15px;color:#333333;text-decoration:none;}
-.btn.primary{background-color:#0064cd;background-repeat:repeat-x;background-image:-khtml-gradient(linear, left top, left bottom, from(#049cdb), to(#0064cd));background-image:-moz-linear-gradient(#049cdb, #0064cd);background-image:-ms-linear-gradient(#049cdb, #0064cd);background-image:-webkit-gradient(linear, left top, left bottom, color-stop(0%, #049cdb), color-stop(100%, #0064cd));background-image:-webkit-linear-gradient(#049cdb, #0064cd);background-image:-o-linear-gradient(#049cdb, #0064cd);-ms-filter:"progid:DXImageTransform.Microsoft.gradient(startColorstr='#049cdb', endColorstr='#0064cd', GradientType=0)";filter:progid:DXImageTransform.Microsoft.gradient(startColorstr='#049cdb', endColorstr='#0064cd', GradientType=0);background-image:linear-gradient(#049cdb, #0064cd);color:#fff;text-shadow:0 -1px 0 rgba(0, 0, 0, 0.25);}.btn.primary:hover{color:#fff;}
+.btn{display:inline-block;background-color:#e6e6e6;background-repeat:no-repeat;background-image:-webkit-gradient(linear, 0 0, 0 100%, from(#ffffff), color-stop(0.25, #ffffff), to(#e6e6e6));background-image:-webkit-linear-gradient(#ffffff, color-stop(0.25, #ffffff), #e6e6e6);background-image:-moz-linear-gradient(#ffffff, color-stop(#ffffff, 0.25), #e6e6e6);background-image:-ms-linear-gradient(#ffffff, color-stop(#ffffff, 0.25), #e6e6e6);background-image:-o-linear-gradient(#ffffff, color-stop(#ffffff, 0.25), #e6e6e6);background-image:linear-gradient(#ffffff, color-stop(#ffffff, 0.25), #e6e6e6);padding:4px 14px;text-shadow:0 1px 1px rgba(255, 255, 255, 0.75);color:#333333;font-size:13px;line-height:18px;border:1px solid rgba(0, 0, 0, 0.1);border-bottom-color:#ddd;border-bottom-color:rgba(0, 0, 0, 0.25);-webkit-border-radius:4px;-moz-border-radius:4px;border-radius:4px;-webkit-box-shadow:inset 0 1px 0 rgba(255, 255, 255, 0.2),0 1px 2px rgba(0, 0, 0, 0.05);-moz-box-shadow:inset 0 1px 0 rgba(255, 255, 255, 0.2),0 1px 2px rgba(0, 0, 0, 0.05);box-shadow:inset 0 1px 0 rgba(255, 255, 255, 0.2),0 1px 2px rgba(0, 0, 0, 0.05);-webkit-transition:0.1s linear all;-moz-transition:0.1s linear all;transition:0.1s linear all;}.btn:hover{background-position:0 -15px;color:#333333;text-decoration:none;}
+.btn.primary{background-color:#0064cd;background-repeat:repeat-x;background-image:-khtml-gradient(linear, left top, left bottom, from(#049cdb), to(#0064cd));background-image:-moz-linear-gradient(#049cdb, #0064cd);background-image:-ms-linear-gradient(#049cdb, #0064cd);background-image:-webkit-gradient(linear, left top, left bottom, color-stop(0%, #049cdb), color-stop(100%, #0064cd));background-image:-webkit-linear-gradient(#049cdb, #0064cd);background-image:-o-linear-gradient(#049cdb, #0064cd);-ms-filter:"progid:DXImageTransform.Microsoft.gradient(startColorstr='#049cdb', endColorstr='#0064cd', GradientType=0)";filter:progid:DXImageTransform.Microsoft.gradient(startColorstr='#049cdb', endColorstr='#0064cd', GradientType=0);background-image:linear-gradient(#049cdb, #0064cd);color:#fff;text-shadow:0 -1px 0 rgba(0, 0, 0, 0.25);border-bottom-color:#003f81;border-bottom-color:rgba(0, 0, 0, 0.25);}.btn.primary:hover{color:#fff;}
 .btn.large{font-size:16px;line-height:28px;-webkit-border-radius:6px;-moz-border-radius:6px;border-radius:6px;}
 .btn.small{padding-right:9px;padding-left:9px;font-size:11px;}
 .btn:disabled,.btn.disabled{background-image:none;filter:alpha(opacity=65);-khtml-opacity:0.65;-moz-opacity:0.65;opacity:0.65;cursor:default;}
diff --git a/lib/preboot.less b/lib/preboot.less
index b90021ebe..7ace1707a 100644
--- a/lib/preboot.less
+++ b/lib/preboot.less
@@ -190,6 +190,7 @@
   font-size: @fontSize;
   line-height: @baseline;
   border: 1px solid @borderColor;
+  border-bottom-color: #ddd;
   border-bottom-color: fadein(@borderColor, 15%);
   .border-radius(@borderRadius);
   @shadow: inset 0 1px 0 rgba(255,255,255,.2), 0 1px 2px rgba(0,0,0,.05);
diff --git a/lib/scaffolding.less b/lib/scaffolding.less
index 5b41b64a4..f66e08679 100644
--- a/lib/scaffolding.less
+++ b/lib/scaffolding.less
@@ -101,6 +101,8 @@ a {
     #gradient > .vertical(@blue, @blueDark);
     color: #fff;
     text-shadow: 0 -1px 0 rgba(0,0,0,.25);
+    border-bottom-color: darken(@blueDark, 15%);
+    border-bottom-color: fadein(rgba(0,0,0,.1), 15%);
     &:hover {
       color: #fff;
     }