Index: wp-admin/css/wp-admin.dev.css
===================================================================
--- wp-admin/css/wp-admin.dev.css	(revision 18646)
+++ wp-admin/css/wp-admin.dev.css	(working copy)
@@ -2100,7 +2100,7 @@
 }
 
 .postbox-container {
-	float: left;
+	float: none;
 }
 
 .postbox-container .meta-box-sortables {
@@ -7636,3 +7636,84 @@
 .widgets_access .widget .widget-top {
 	cursor: default;
 }
+
+/* =Media Queries
+-------------------------------------------------------------- */
+
+/* Columns for Dashboard & Adjustments */
+
+#wpbody-content .responsive .metabox-holder {
+	column-count: 2;
+	-moz-column-count: 2;
+	-webkit-column-count: 2;
+	column-gap: 20px;
+	-moz-column-gap: 20px;
+	-webkit-column-gap: 20px;
+}
+
+.responsive .postbox {
+	min-width: 100%;
+	display: inline-block;
+	margin-bottom: 5px;
+	margin-top: 5px;
+}
+
+.responsive div.postbox div.inside {
+	margin: 10px;
+	padding: 10px;
+	display: block;
+}
+
+#wpbody-content .responsive #dashboard_right_now .inside {
+	padding-top: 30px;
+}
+
+#wpbody-content .responsive #dashboard_right_now{
+	margin-top: 0px;
+}
+
+#wpbody-content .responsive .inside p{
+	line-height: 1.4em;
+	display: block;
+}
+
+#wpbody-content .responsive .inside div{
+	display: block;
+}
+
+.responsive #media-buttons{
+	padding: 10px 0 10px 10px;
+}
+
+/* Columns for Dashboard */
+@media only screen and (max-width: 860px) {
+	#wpbody-content .responsive .metabox-holder {
+		column-count: 1;
+		-moz-column-count: 1;
+		-webkit-column-count: 1;
+	}
+}
+
+@media only screen and (min-width: 980px) {
+	#wpbody-content .responsive .metabox-holder {
+		column-count: 2;
+		-moz-column-count: 2;
+		-webkit-column-count: 2;
+	}
+}
+
+@media only screen and (min-width: 1220px) {
+	#wpbody-content .responsive .metabox-holder {
+		column-count: 3;
+		-moz-column-count: 3;
+		-webkit-column-count: 3;
+	}
+}
+
+@media only screen and (min-width: 1720px) {
+	#wpbody-content .responsive .metabox-holder {
+		column-count: 4;
+		-moz-column-count: 4;
+		-webkit-column-count: 4;
+	}
+}
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