Index: src/wp-admin/css/press-this.css
===================================================================
--- src/wp-admin/css/press-this.css	(revision 32924)
+++ src/wp-admin/css/press-this.css	(working copy)
@@ -405,7 +405,9 @@
 	background-color: #fff;
 	min-width: 180px;
 	max-width: 100%;
+	margin: 0;
 	padding: 8px;
+	list-style: none;
 	-webkit-box-shadow: 1px 0 4px rgba( 0, 0, 0, 0.15 );
 	box-shadow: 1px 0 4px rgba( 0, 0, 0, 0.15 );
 }
Index: src/wp-admin/includes/class-wp-press-this.php
===================================================================
--- src/wp-admin/includes/class-wp-press-this.php	(revision 32924)
+++ src/wp-admin/includes/class-wp-press-this.php	(working copy)
@@ -1458,11 +1458,11 @@
 						<span class="screen-reader-text"><?php _e('Toggle dropdown'); ?></span>
 					</button>
 				</div>
-				<div class="split-button-body">
-					<button type="button" class="button-subtle draft-button split-button-option" aria-live="polite"><?php _e( 'Save Draft' ); ?></button>
-					<a href="<?php echo esc_url( get_edit_post_link( $post_ID ) ); ?>" class="edit-post-link split-button-option" target="_blank"><?php _e( 'Standard Editor' ); ?></a>
-					<button type="button" class="button-subtle preview-button split-button-option"><?php _e( 'Preview' ); ?></button>
-				</div>
+				<ul class="split-button-body">
+					<li><button type="button" class="button-subtle draft-button split-button-option" aria-live="polite"><?php _e( 'Save Draft' ); ?></button></li>
+					<li><a href="<?php echo esc_url( get_edit_post_link( $post_ID ) ); ?>" class="edit-post-link split-button-option" target="_blank"><?php _e( 'Standard Editor' ); ?></a></li>
+					<li><button type="button" class="button-subtle preview-button split-button-option"><?php _e( 'Preview' ); ?></button></li>
+				</ul>
 			</div>
 		</div>
 	</div>