Помогите увеличить ширину сайдбара сайта на ВП

/* 7. SIDEBAR
* ================================================ */
#sidebar {
width: 290px;
margin-left:15px;
float: left;
}

#sidebar h3{
margin-bottom:10px;
}

#sidebar .widget{
padding-bottom: 15px;
margin-bottom: 15px;
overflow: hidden;
width: 600px;
}

.widget ul {
margin:0;
padding:0;
}

.widget:first-child{
margin-top: 0px;
}

.widget:last-child{
border-bottom: none;
}

.widget ul li {
background: url("images/arrow-sidebar.png") no-repeat left 9px;
border-bottom: 1px dashed #E7E7E7;
margin: 0;
overflow: hidden;
padding: 6px 15px;
}

.widget ul li:last-child{
border-bottom: none;
}

/*-- subscriber counter widget --*/
#sidebar .widget_social_counter .wrap div{
float: left;
margin-right: 5px;
padding: 5px;
text-align: center;
width: 78px;
font-size: 23px;
font-weight: bold;
}

#sidebar .widget_social_counter .count{
display: block;
overflow: hidden;
font-weight: bold;
margin-top: 5px;
}

#sidebar .widget_social_counter .small{
font-size: 12px;
font-weight: normal;
font-style: italic;
overflow: hidden;
color: #999999;
display: block;
}

#sidebar .widget_ad125 ul{
overflow:auto;
margin-top:10px;
margin-left:15px;
}

#sidebar .widget_ad125 li{
float:left;
margin-bottom:5px;
border-bottom: none;
background:none;
padding:0;
}

#sidebar .widget_ad125 li a{
display:block;
}

#sidebar .widget_ad125 li:first-child{
float:left;
margin-right:10px;
}

#sidebar .widget_ad125 li:last-child{
float:left;
margin-left:12px;
}

#sidebar .widget a.rsswidget{
display: inline-block;
vertical-align: middle;
}

#sidebar .widget .rsswidget img{
margin-top: 5px;
}

#sidebar .widget select {
border: 1px solid #EAECEF;
color: #6B707B;
display: inline-block;
float: left;
height: 34px;
padding: 6px 8px;
width: 290px;
margin-top: 10px;
}

#sidebar .widget_contact_form .error{
color: red;
}

#footer .widget_contact_form .error{
color: #FA5858;
}
#footer .widget_contact_form .button {
box-shadow: none;
color: #FFFFFF !important;
background: rgba(41, 47, 51, 0.7);
}

#footer .widget_contact_form input.text,
#footer .widget_contact_form .textarea{
background: rgba(41, 47, 51, 0.5);
border: none;
color: #bbbbbb;
}

#footer .widget_contact_form .success{
color: #D0FA58;
}

#sidebar .widget_contact_form .success{
color: #0B610B;
}

#sidebar .widget_flickr .flickr_stream img{
background: #f3f3f3;
}

#sidebar .widget_250x250ad a{
display: block;
text-align: center;
}

#sidebar .attachment-wt-small-thumb{
height: 55px;
width: 75px;
float: left;
margin-right: 10px;
padding: 4px;
background: #f3f3f3;
}

#sidebar .widget_posts .item-post{
overflow: hidden;
margin-bottom: 5px;
}

#sidebar .widget_posts .post-meta {
color: #8F949D;
font-size: 12px;
}

#sidebar .widget_posts .item-post {
border-bottom: 1px dashed #E7E7E7;
clear: both;
margin-bottom: 8px;
overflow: hidden;
padding-bottom: 8px;
}

#sidebar .widget_posts .item-post:last-child{
border-bottom: 0px;
}

#sidebar .widget_carousel ul li{
background: none;
padding: 0;
margin: 0;
border-bottom: 0;
float: left;
}

#sidebar .widget_carousel .attachment-wt-feat-thumb{
padding: 4px;
background: #f3f3f3;
width: 282px;
height: 180px;
}

#sidebar .widget_carousel .carousel-nav{
margin-top: 5px;
float: right;
}

#sidebar .widget_carousel .carousel-nav a{
display: block;
height: 16px;
width: 12px;
text-decoration: none;
text-indent: 9999em;
float: left;
}

#sidebar .widget_carousel .carousel-nav a.wid-prev {
background: url("images/arrow-prev10.png") no-repeat left center;
margin-right: 6px;
}

#sidebar .widget_carousel .carousel-nav a.wid-next {
background: url("images/arrow-next10.png") no-repeat left center;
margin-right: 6px;
}

/*-- widgets common styles --*/
.widget_flickr .flickr_stream{
margin-top: 10px;
}

.widget_flickr .flickr_stream ul li{
border: 0;
padding: 0;
margin: 0;
float: left;
}

.widget_flickr .flickr_stream img{
width: 75px;
height: 75px;
margin-right: 13px;
margin-bottom: 5px;
padding: 4px;
}

/*-- twitter widget --*/
.widget_tweets{
height:272px;
}

.widget_tweets .twtr-ft{
display:none;
}

.twtr-tweet-text em{
display:none !important;
}

.widget_tweets .twtr-widget .twtr-tweet{
border-bottom:1px dashed #E7E7E7 !important;
}

.widget_video iframe{
max-width: 98%;
height: auto;
}

/*-- search widget --*/
.searchfield{
font-size: 13px;
padding: 10px 28px 10px 6px;
width: 240px;
border: 1px solid #E7E7E7;
font: inherit;
color: #888;
}

/*-- tags Widget --*/
.tagcloud{
overflow:hidden;
margin-top:10px;
}

.tagcloud a {
background: #f3f3f3;
color: #494F56;
display: block;
float: left;
font-size: 12px !important;
line-height: 12px;
margin-bottom: 8px;
margin-right: 15px;
padding: 8px 12px;
text-decoration: none;
-moz-transition: color 0.2s linear 0s;
border-radius: 3px;
}

.tagcloud a:hover{
background: rgb(253, 101, 16); /*-- ie8 --*/
background: rgba(253, 101, 16, 0.8);
color: #fff;
}

/*-- calendar Widget --*/
.widget_calendar h3.widgettitle {
display:none;
}

.widget_calendar h4 {
display:none;
}

.widget_calendar #wp-calendar caption {
font-size: 14px;
font-weight:bold;
text-align:center;
text-transform: uppercase;
margin-bottom:10px;
}

.widget_calendar table#wp-calendar {
width:100%;
border:none;
margin-bottom:0;
}

.widget_calendar thead>tr>th {
width:14%;
height:23px;
text-align:center;
background-color:#f7f7f7;
}

.widget_calendar td {
width:14%;
height:23px;
text-align:center;
border:none;
}

.widget_calendar tfoot>tr>td#prev {
width:58px;
height:20px;
text-align:left;
}

.widget_calendar tfoot>tr>td#next {
width:58px;
height:20px;
text-align:right;
}

/*-- social links Widget --*/
.widget_social ul li{
padding-left:24px;
}

.widget_social ul li.facebook{
background:url(images/fb16.png) no-repeat left center;
}

.widget_social ul li.twitter{
background:url(images/twitter16.png) no-repeat left center;
}

.widget_social ul li.gplus{
background:url(images/gplus16.png) no-repeat left center;
}

.widget_social ul li.rss{
background:url(images/rss16.png) no-repeat left center;
}

.widget_social ul li.contact{
background:url(images/mail16.png) no-repeat left center;
}

/*-- contact form Widget --*/
.widget_contact_form .field{
margin: 7px 0;
}

.widget_contact_form input.text,
.widget_contact_form .textarea{
font-size: 13px;
padding: 6px 8px;
width: 90%;
border:1px solid #EAECEF;
font:inherit;
color: #6B707B;
}

.widget_contact_form .textarea{
height: 120px;
}