Index: src/wp-admin/css/install.css
===================================================================
--- src/wp-admin/css/install.css	(revision 35483)
+++ src/wp-admin/css/install.css	(working copy)
@@ -17,13 +17,27 @@
 
 a {
 	color: #0073aa;
-	text-decoration: none;
 }
 
-a:hover {
+a:hover,
+a:active {
 	color: #00a0d2;
 }
 
+a:focus {
+	color: #124964;
+	-webkit-box-shadow:
+		0 0 0 1px #5b9dd9,
+		0 0 2px 1px rgba(30, 140, 190, .8);
+	box-shadow:
+		0 0 0 1px #5b9dd9,
+		0 0 2px 1px rgba(30, 140, 190, .8);
+}
+
+.ie8 a:focus {
+	outline: #5b9dd9 solid 1px;
+}
+
 h1 {
 	border-bottom: 1px solid #dedede;
 	clear: both;
@@ -97,6 +111,12 @@
 	overflow: hidden;
 	display: block;
 }
+
+#logo a:focus {
+	-webkit-box-shadow: none;
+	box-shadow: none;
+}
+
 .step {
 	margin: 20px 0 15px;
 }
Index: src/wp-includes/functions.php
===================================================================
--- src/wp-includes/functions.php	(revision 35483)
+++ src/wp-includes/functions.php	(working copy)
@@ -2557,9 +2557,9 @@
 		}
 		a {
 			color: #0073aa;
-			text-decoration: none;
 		}
-		a:hover {
+		a:hover,
+		a:active {
 			color: #00a0d2;
 		}
 		a:focus {
@@ -2611,12 +2611,9 @@
 		}
 
 		.button:focus  {
-			-webkit-box-shadow:
-				0 0 0 1px #5b9dd9,
-				0 0 2px 1px rgba(0, 115, 170, .8);
-			box-shadow:
-				0 0 0 1px #5b9dd9,
-				0 0 2px 1px rgba(0, 115, 170, .8);
+			border-color: #5b9dd9;
+			-webkit-box-shadow: 0 0 3px rgba( 0, 115, 170, .8 );
+			box-shadow: 0 0 3px rgba( 0, 115, 170, .8 );
 			outline: none;
 		}