Minimalist tabs for the WordPress 3.6 post formats feature.

wp-3.6-minimalist-post-format-tabs.php

<?php

/*
Plugin Name: AK.org Minimalist Post Format Tabs
Plugin URI: https://gist.github.com/alexkingorg/5557869
Description: Reduce the footprint of the post format tabs in the WordPress admin UI.
Version: 1.0
Author: Alex King
Author URI: http://alexking.org
License: GPL2
*/

function akv3_minimalist_format_tabs() {
?>
<style type="text/css">
.post-format-options {
	background: transparent;
	border: 0;
	margin: 10px 0 0;
	padding: 0;
}
.post-format-options a:hover,
.post-format-options a.active {
	background: linear-gradient(to top, #ECECEC, #F9F9F9) repeat scroll 0 0 #F1F1F1;
}
.post-format-options a {
	-webkit-border-radius: 3px;
	-moz-border-radius: 3px;
	border-radius: 3px;
	margin-right: 0;
	padding: 0;
}
.post-format-options a div {
	display: none;
}
.post-format-title {
	margin-top: 0;
}
.post-format-change {
	display: none;
}
#poststuff {
	padding-top: 5px;
}
#wp-content-editor-tools {
	height: auto;
	padding: 0 0 7px;
}
</style>
<?php
}
add_action('admin_head-post.php', 'akv3_minimalist_format_tabs', 100);
add_action('admin_head-post-new.php', 'akv3_minimalist_format_tabs', 100);