$ ack -i 'dashboard-widget-error'

baltic-amber-admin-themes-and-schemes/amber-core.css
18:div.dashboard-widget-error {

baltic-amber-admin-themes-and-schemes/konstruktors.css
17:div.dashboard-widget-error { background-color: #c43; }

baw-better-admin-color-themes/css/brown.css
82:div.dashboard-widget-error {

baw-better-admin-color-themes/css/green.css
82:div.dashboard-widget-error {

baw-better-admin-color-themes/css/purple.css
82:div.dashboard-widget-error {

baw-better-admin-color-themes/css/red.css
82:div.dashboard-widget-error {

bbpress/includes/admin/styles/green-34.css
137:div.dashboard-widget-error {

bbpress/includes/admin/styles/green-34.dev.css
137:div.dashboard-widget-error {

bbpress/includes/admin/styles/green.css
135:div.dashboard-widget-error {

bolcom-partnerprogramma-wordpress-plugin/resources/css/colors-fresh.css
91:div.dashboard-widget-error {

branded-admin/tags/2.0/branded-admin-custom.css
19:div.dashboard-widget-error {

branded-admin/trunk/2.0/branded-admin-custom.css
19:div.dashboard-widget-error {

branded-admin/trunk/branded-admin-custom.css
19:div.dashboard-widget-error {

css-greyscaper/greyscaper_01.css
9:div.dashboard-widget-error { background-color: #c43; }

css-greyscaper/greyscaper_02.css
9:div.dashboard-widget-error { background-color: #c43; }

css-greyscaper/gs01.css
9:div.dashboard-widget-error { background-color: #c43; }

css-greyscaper/gs02.css
9:div.dashboard-widget-error { background-color: #c43; }

css-greyscaper/gs03_escape.css
10:div.dashboard-widget-error { background-color: #c43; }

customizable-etsy-widget/CustomizableEtsyWidget.php
174:			echo __('<div class="dashboard-widget-error">curl() is required and not available. Please enable it</div>','CustomizableEtsyWidget');

dh-admin-themes/sample001/colors-sample001.css
<minified CSS>

dh-admin-themes/sample001_32/colors-sample001_32.css
<minified CSS>

dh-admin-themes/sample002/colors-sample002.css
<minfied CSS>

dh-admin-themes/sample002_32/colors-sample002_32.css
<minified CSS>

dh-admin-themes/sample003/colors-sample003.css
<minified CSS>

dh-admin-themes/sample003_32/colors-sample003_32.css
<minified CSS>

dh-admin-themes/sample004/colors-sample004.css
<minified CSS>

dh-admin-themes/sample004_32/colors-sample004_32.css
<minified CSS>

dh-admin-themes/sample005/colors-sample005.css
<minified CSS>

dh-admin-themes/sample005_32/colors-sample005_32.css
<minified CSS>

easy-admin-color-schemes/includes/php/default-schemes.php
<minified CSS>

grey-admin-color-schemes/_admin_colors.scss
195:div.dashboard-widget-error {

grey-admin-color-schemes/atouchofblue/colors-rtl.css
216:div.dashboard-widget-error {

grey-admin-color-schemes/atouchofblue/colors.css
216:div.dashboard-widget-error {

grey-admin-color-schemes/classic/colors-rtl.css
216:div.dashboard-widget-error {

grey-admin-color-schemes/classic/colors.css
216:div.dashboard-widget-error {

grey-admin-color-schemes/modern/colors-rtl.css
216:div.dashboard-widget-error {

grey-admin-color-schemes/modern/colors.css
216:div.dashboard-widget-error {

grey-admin-color-schemes/postmodern/colors-rtl.css
216:div.dashboard-widget-error {

grey-admin-color-schemes/postmodern/colors.css
216:div.dashboard-widget-error {

heat-map-tracker/css/adminstyles.css
<minified CSS>

ibegin-share/dashboard.css
137:div.dashboard-widget-error {

mp6/css/colors-mp6.css
273:div.dashboard-widget-error {

mp6-light/css/colors-mp6-light.css
153:div.dashboard-widget-error {

mp7/css/colors.css
204:div.dashboard-widget-error {

mypress/css.inc.php
21:div.dashboard-widget-error{background-color:#c43;}

ozh-colourlovers-admin-css-designer/css/template.css.php
33:div.dashboard-widget-error {

ozh-colourlovers-admin-css-designer/savedcss/112233.css
18:div.dashboard-widget-error {

ozh-colourlovers-admin-css-designer/savedcss/186882.css
18:div.dashboard-widget-error {

ozh-colourlovers-admin-css-designer/savedcss/342105.css
18:div.dashboard-widget-error {

ozh-colourlovers-admin-css-designer/savedcss/356726.css
18:div.dashboard-widget-error {

ozh-colourlovers-admin-css-designer/savedcss/362634.css
18:div.dashboard-widget-error {

ozh-colourlovers-admin-css-designer/savedcss/366287.css
18:div.dashboard-widget-error {

ozh-colourlovers-admin-css-designer/savedcss/366497.css
18:div.dashboard-widget-error {

ozh-colourlovers-admin-css-designer/savedcss/372127.css
18:div.dashboard-widget-error {

ozh-colourlovers-admin-css-designer/savedcss/373713.css
18:div.dashboard-widget-error {

ozh-colourlovers-admin-css-designer/savedcss/93648.css
18:div.dashboard-widget-error {

pinz/css/wp_admin_style.css
<minified CSS>

ps-wp-multi-domain/ps-wp-multidomain.php
44:	<div class='updated fade dashboard-widget-error'><p><strong>".__('WP multi-domain can not start.',"ps-wp-multidomain")."</strong></p></div>
45:	<div class='dashboard-widget-error'><p><strong>".__('WP multi-domain has stopped!! ',"ps-wp-multidomain")."</strong>".__('You must make "wp-config.php" rewriteble to work.',"ps-wp-multidomain")."</p></div>";

stream-video-player/1.4.0/button/config.css
<minified CSS>

stream-video-player/button/config.css
<minified CSS>

stylepress/fresco.css
67:div.dashboard-widget-error {

wp-admin-classic/wp-admin-css/colors-classic.css
91:div.dashboard-widget-error {

wp-admin-classic/wp-admin-css/colors-fresh.css
91:div.dashboard-widget-error {

wp-admin-layouts/css/custom.css
11672:div.dashboard-widget-error {

wp-admin-layouts/css/custom.php
11679:div.dashboard-widget-error {

wp-admin-themer-extended/css/colors-fresh.css
19:div.dashboard-widget-error {

wp-color/css/wp-admin-pink.css
105:div.dashboard-widget-error {

wp-simplify/css/admin-basecamp-style.css
518:div.dashboard-widget-error {

wp-site-age-gate/wp/wp.css
<minified CSS>

wptutsbd-admin-panel/assets/css/wptutsbd-style.css
8385:div.dashboard-widget-error {