remove top margin from alert close, chance close line height to 18px (baseLineHeight)

bootstrap.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: Tue Jan 24 20:44:12 PST 2012
+ * Date: Tue Jan 24 21:10:54 PST 2012
  */
 article,
 aside,
@@ -1505,7 +1505,7 @@ i {
   float: right;
   font-size: 20px;
   font-weight: bold;
-  line-height: 12px;
+  line-height: 18px;
   color: #000000;
   text-shadow: 0 1px 0 #ffffff;
   filter: alpha(opacity=20);
@@ -2627,11 +2627,9 @@ button.btn::-moz-focus-inner, input[type=submit].btn::-moz-focus-inner {
   color: #c09853;
 }
 .alert .close {
-  *margin-top: 3px;
-  /* IE7 spacing */
-
   position: relative;
   right: -21px;
+  line-height: 18px;
 }
 .alert-success {
   background-color: #dff0d8;

bootstrap.min.css

@@ -312,7 +312,7 @@ i{background-image:url(docs/assets/img/glyphicons-halflings-sprite.png);backgrou
 .well{min-height:20px;padding:19px;margin-bottom:20px;background-color:#f5f5f5;border:1px solid #eee;border:1px solid rgba(0, 0, 0, 0.05);-webkit-border-radius:4px;-moz-border-radius:4px;border-radius:4px;-webkit-box-shadow:inset 0 1px 1px rgba(0, 0, 0, 0.05);-moz-box-shadow:inset 0 1px 1px rgba(0, 0, 0, 0.05);box-shadow:inset 0 1px 1px rgba(0, 0, 0, 0.05);}.well blockquote{border-color:#ddd;border-color:rgba(0, 0, 0, 0.15);}
 .fade{-webkit-transition:opacity 0.15s linear;-moz-transition:opacity 0.15s linear;-ms-transition:opacity 0.15s linear;-o-transition:opacity 0.15s linear;transition:opacity 0.15s linear;opacity:0;}.fade.in{opacity:1;}
 .collapse{-webkit-transition:height 0.35s ease;-moz-transition:height 0.35s ease;-ms-transition:height 0.35s ease;-o-transition:height 0.35s ease;transition:height 0.35s ease;position:relative;overflow:hidden;height:0;}.collapse.in{height:auto;}
-.close{float:right;font-size:20px;font-weight:bold;line-height:12px;color:#000000;text-shadow:0 1px 0 #ffffff;filter:alpha(opacity=20);-moz-opacity:0.2;opacity:0.2;}.close:hover{color:#000000;text-decoration:none;filter:alpha(opacity=40);-moz-opacity:0.4;opacity:0.4;cursor:pointer;}
+.close{float:right;font-size:20px;font-weight:bold;line-height:18px;color:#000000;text-shadow:0 1px 0 #ffffff;filter:alpha(opacity=20);-moz-opacity:0.2;opacity:0.2;}.close:hover{color:#000000;text-decoration:none;filter:alpha(opacity=40);-moz-opacity:0.4;opacity:0.4;cursor:pointer;}
 .nav{margin-left:0;margin-bottom:18px;list-style:none;}
 .nav>li>a{display:block;}
 .nav>li>a:hover{text-decoration:none;background-color:#eeeeee;}
@@ -482,7 +482,7 @@ button.btn::-moz-focus-inner,input[type=submit].btn::-moz-focus-inner{padding:0;
 .primary .caret,.danger .caret,.info .caret,.success .caret{border-top-color:#ffffff;filter:alpha(opacity=75);-moz-opacity:0.75;opacity:0.75;}
 .alert{padding:8px 35px 8px 14px;margin-bottom:18px;text-shadow:0 1px 0 rgba(255, 255, 255, 0.5);background-color:#fcf8e3;border:1px solid #f3edd2;-webkit-border-radius:4px;-moz-border-radius:4px;border-radius:4px;}
 .alert,.alert-heading{color:#c09853;}
-.alert .close{*margin-top:3px;position:relative;right:-21px;}
+.alert .close{position:relative;right:-21px;line-height:18px;}
 .alert-success{background-color:#dff0d8;border-color:#cfe8c4;}
 .alert-success,.alert-success .alert-heading{color:#468847;}
 .alert-danger,.alert-error{background-color:#f2dede;border-color:#e9c7c7;}

lib/alerts.less

@@ -17,7 +17,6 @@
 
 // Adjust close link position
 .alert .close {
-  *margin-top: 3px; /* IE7 spacing */
   position: relative;
   right: -21px;
   line-height: 18px;

lib/close.less

@@ -5,7 +5,7 @@
   float: right;
   font-size: 20px;
   font-weight: bold;
-  line-height: 12px;
+  line-height: @baseLineHeight;
   color: @black;
   text-shadow: 0 1px 0 rgba(255,255,255,1);
   .opacity(20);