HustleTurtle on “how to change the sidebar color of a theme?”

this is the code

the side bar is black background with white font color

i want to edit the black background and change it to pink

how do i do that?

*/
body {margin:0 auto; width:787px; text-align:center; padding:0; font-family:arial, sans-serif; font-size:95%;position:relative; background:#fff url(bg.gif) repeat-x; color:#777;}
a {color:#777;text-decoration:none;}
h1 {font-size:175%;} h2 {font-size:150%;} h3 {font-size:125%;} h4 {font-size:105%;} h5 {font-size:75%;} h6 {font-size:50%;}
.wrapper {margin:10px auto; text-align:left; width:787px; width:777px; background:#fff; position:relative; -moz-border-radius: 12px; -webkit-border-radius: 12px; padding:10px;border:1px solid #ccc;}
.header {background:url(header.gif) no-repeat;color:#fff; text-align:center; height: 108px; display:table-cell; vertical-align: middle; width:787px;}
.siteTitle a {padding-top:20px;font-size:1.75em; color:yellow; font-weight:bold;}
*:first-child+html .siteTitle a {display:block;padding-top:30px;}
*:first-child+html .menu.top {margin-top:-7px;}
.header ul, .footer ul {margin:0; padding:10px 0 0 0;}
.header ul li, .footer ul li {display:inline; padding:10px 5px 0 0;}
.header li a, .footer li a {color:#fff;font-size:.8em; padding:0 10px 0 0; border-right:1px; border-right-style:solid;}
.header ul li.last a, .footer ul li.last a {border:none;}
.footer li a {color:#777;}
.footer li.first {margin-right:5px;}
.main {background: url(sidebar.gif) right repeat-y;}
.content {float:left;width:540px; padding:15px; margin-bottom:-35px; font-size:90%;}
.sidebar {float:right; width:180px; background: url(sb-top.png) no-repeat top center; padding:20px 10px 0 10px; color:#fff; font-family:verdana; font-size:.85em;}
.sidebar ul {margin:5px 0 0 20px; padding:0;}
.sidebar ul li a {color:#fff;display:block;padding:0 0 10px 0;}
.footer {text-align:center; background:url(footer.gif) no-repeat;height:56px;color:#777}
.footer ul li.last.sitemap a {border-left:1px; border-left-style:solid;padding-left:10px;margin-left:-10px;}
.footer .copyright {padding-top:5px;font-size:.8em;}
.images img {padding:0 13px 0 0;}
.images img.last {padding-right:0;}
.menu.side h4 {margin:10px 0 5px 5px;}
#respond textarea {width:540px;}
.nocomments{background:#EDEFF0 url(messagebox.gif) no-repeat;padding:0 12px;height:27px;line-height:27px;width:510px;}
.clear {clear:both;background: url(sb-bottom.png) no-repeat right;height:18px;}
.adsense250.left {float:left;}
.content .tags, .content .post-edit-link {float:left; display:block; line-height:25px;padding:5px 20px; background:url(../../icons.gif) no-repeat 0 -490px; font-size:.85em;}
.content .post-edit-link {background-position:0 -55px;}
#respond {display:block; clear:both; font-size:.9em; padding-top:1px;}