gamepress, tło widgetów

witam na swoim blogu posiadam motyw gamepress, posiada on jednak przeźroczyste tło widgetów, czy mogę je jakoś dodać ?

To jest fragment style.css

Bardzo proszę o pomoc 🙂

/*-----------------------------------------------------------------------------------*/
/*	06.	Sidebar
/*-----------------------------------------------------------------------------------*/

#sidebar {
	float: left;
	width: 300px;
    margin-left: 38px;
}

/* Widgets */

.widget{
	margin: 0 0 18px 0;
	clear: both;
	overflow: hidden;
}
.widget h3.widget-title {
	text-transform: uppercase;
	font-size: 18px;
	margin: 0 0 12px 0;
	padding: 0 0 6px 0;
}
.widget a{
	text-decoration: none;
}
.widget ul {padding: 0;}
.widget ul li  {
	padding-left: 18px;
	list-style:none;
}

.widget .entry-content {
    padding: 0;
    background: none;
}

/* RECENT POSTS WIDGET */

.reviews_widget .entry-wrapper {
	float: left;
	margin: 0;
	width: 200px;
}
.reviews_widget .entry-thumb {
	float: left;
	position: relative;
	margin: 0 15px 0 0;
}
.reviews_widget .entry-thumb  a {
    height: 79px;
}
.reviews_widget .entry-title {
	font-size: 13px;
	font-family: 'OpenSansSemiboldRegular';
	margin-bottom: 6px;
}
.reviews_widget .entry-wrapper .entry-meta{
	margin: 0;
}
.reviews_widget .entry-title a {
	color: #FFFFFF;
	text-decoration: none;
	font-size: 13px;
}
.reviews_widget ul.pane li {
	padding: 0 0 12px;
	margin: 12px 0 0;
	list-style: none !important;
	overflow: hidden;
}
.reviews_widget ul.pane li:last-child {
	background: none;
	padding: 0;
}
/* Social Media Widget */

.sidebar-social a {
	float: left;
	margin-right: 6px;
}
#sidebar .sidebar-social a:hover, #prefooter .sidebar-social a:hover  {
	border-bottom: 1px dotted transparent;
}