An issue has been reported concerning signature centering. Please replace the ipb_common.css with this one.
Quote
/************************************************************************/
/* IP.Board 3 CSS - By Rikki Tissier - ©2008 Invision Power Services */
/************************************************************************/
/* ipb_common.css */
/************************************************************************/
/************************************************************************/
/* LIGHTBOX STYLES */
#lightbox{ position: absolute; left: 0; width: 100%; z-index: 16000 !important; text-align: center; line-height: 0;}
#lightbox img{ width: auto; height: auto;}
#lightbox a img{ border: none; }
#outerImageContainer{ position: relative; background-color: #fff; width: 250px; height: 250px; margin: 0 auto; }
#imageContainer{ padding: 10px; }
#loading{ position: absolute; top: 40%; left: 0%; height: 25%; width: 100%; text-align: center; line-height: 0; }
#hoverNav{ position: absolute; top: 0; left: 0; height: 100%; width: 100%; z-index: 10; }
#imageContainer>#hoverNav{ left: 0;}
#hoverNav a{ outline: none;}
#prevLink, #nextLink{ width: 49%; height: 100%; background-image: url({style_images_url}/spacer.gif); /* Trick IE into showing hover */ display: block; }
#prevLink { left: 0; float: left;}
#nextLink { right: 0; float: right;}
#prevLink:hover, #prevLink:visited:hover { background: url({style_images_url}/lightbox/prevlabel.gif) left 15% no-repeat; }
#nextLink:hover, #nextLink:visited:hover { background: url({style_images_url}/lightbox/nextlabel.gif) right 15% no-repeat; }
#imageDataContainer{ font: 10px Verdana, Helvetica, sans-serif; background-color: #fff; margin: 0 auto; line-height: 1.4em; overflow: auto; width: 100% ; }
#imageData{ padding:0 10px; color: #666; }
#imageData #imageDetails{ width: 70%; float: left; text-align: left; }
#imageData #caption{ font-weight: bold; }
#imageData #numberDisplay{ display: block; clear: left; padding-bottom: 1.0em; }
#imageData #bottomNavClose{ width: 66px; float: right; padding-bottom: 0.7em; outline: none;}
#overlay{ position: fixed; top: 0; left: 0; z-index: 15000 !important; width: 100%; height: 500px; background-color: #000; }
/************************************************************************/
/* BBCODE STYLES */
/* NOTE: These selectors style bbcodes throughout IPB. It is recommended that you DO NOT change these
styles if you are creating a skin since it may interfere with user expectation
of what certain BBCodes look like (quote boxes are an exception to this). */
strong.bbc { font-weight: bold !important; }
em.bbc { font-style: italic !important; }
span.bbc_underline { text-decoration: underline !important; }
acronym.bbc { border-bottom: 1px dotted #000; }
span.bbc_center, div.bbc_center, p.bbc_center { text-align: center; display: block; }
span.bbc_left, div.bbc_left, p.bbc_left { text-align: left; display: block; }
span.bbc_right, div.bbc_right, p.bbc_right { text-align: right; display: block; }
div.bbc_indent { margin-left: 50px; }
del.bbc { text-decoration: line-through !important; }
ul.bbc { list-style: disc outside; margin: 12px 0 12px 40px; }
ul.bbc ul.bbc { list-style-type: circle; }
ul.bbc ul.bbc ul.bbc { list-style-type: square; }
ul.bbcol.decimal { margin: 12px 0 12px 40px; list-style-type: decimal; }
ul.bbcol.lower-alpha { margin-left: 40px; list-style-type: lower-alpha; }
ul.bbcol.upper-alpha { margin-left: 40px; list-style-type: upper-alpha; }
ul.bbcol.lower-roman { margin-left: 40px; list-style-type: lower-roman; }
ul.bbcol.upper-roman { margin-left: 40px; list-style-type: upper-roman; }
hr.bbc { display: block; border-top: 2px solid #777; }
div.bbc_spoiler { }
div.bbc_spoiler span.spoiler_title { font-weight: bold; }
div.bbc_spoiler_wrapper { border: 1px inset #777; padding: 4px; }
div.bbc_spoiler_content { }
input.bbc_spoiler_show { width: 45px; font-size: .7em; margin: 0px; padding: 0px; }
pre.prettyprint { padding: 5px; background: #f8f8f8; border: 1px solid #c9c9c9; overflow: auto; margin-left: 10px; font-size: 11px; line-height: 140%; }
.bbc_member, .bbc_url, .bbc_email { color: inherit; }
img.bbc_img { cursor: pointer; }
/* Quote boxes */
p.citation {
font-size: 12px;
padding: 8px 10px;
border-left: 2px solid #4b4b4b;
/*background: #f3f3f3 */
background: #3b3b3b;
background: -moz-linear-gradient(top, #3b3b3b 0%, #2b2b2b 100%); /* firefox */
background: -webkit-gradient(linear, left top, left bottom, color-stop(0%,#3b3b3b), color-stop(100%,#2b2b2b)); /* webkit */
border-top: 2px solid #4b4b4b;
border-right: 2px solid #4b4b4b;
-moz-border-radius: 5px 5px 0 0;
-webkit-border-radius: 5px 5px 0 0;
border-radius: 5px 5px 0 0;
font-weight: bold;
}
div.blockquote {
font-size: 12px;
color: #eee;
padding: 10px;
border-left: 2px solid #4b4b4b;
background: #3b3b3b;
border-right: 2px solid #4b4b4b;
border-bottom: 2px solid #4b4b4b;
-moz-border-radius: 0 0 5px 5px;
-webkit-border-radius: 0 0 5px 5px;
border-radius: 0 0 5px 5px;
}
div.blockquote div.blockquote {
margin: 0 10px 0 0;
}
div.blockquote p.citation {
margin: 6px 10px 0 0;
}
._sharedMediaBbcode {
width: 500px;
background: #dbdbdb;
background: -moz-linear-gradient(top, #3b3b3b 0%, #2b2b2b 100%); /* firefox */
background: -webkit-gradient(linear, left top, left bottom, color-stop(0%,#3b3b3b), color-stop(100%,#2b2b2b)); /* webkit */
border: 1px solid #111;
-moz-box-shadow: 0px 1px 3px #4b4b4b inset, 0px 1px 1px #090909;
-webkit-box-shadow: 0px 1px 3px #4b4b4b inset, 0px 1px 1px #090909;
box-shadow: 0px 1px 3px #4b4b4b inset, 0px 1px 2px #090909;
-moz-border-radius: 3px;
-webkit-border-radius: 3px;
border-radius: 3px;
color: #dbdbdb;
display: inline-block;
margin-right: 15px;
margin-bottom: 5px;
padding: 15px;
}
.bbcode_mediaWrap .details {
display: inline-block;
color: #bcbcbc;
font-size: 12px;
line-height: 1.5;
float: left;
margin-left: 30px;
}
.bbcode_mediaWrap .details a {
color: #bcbcbc;
text-decoration: none;
}
.bbcode_mediaWrap .details h5, .bbcode_mediaWrap .details h5 a {
font: 400 20px/1.3 "Helvetica Neue", Helvetica, Arial, sans-serif;
color: #bcbcbc;
}
.bbcode_mediaWrap img.sharedmedia_image {
float: left;
position: relative;
top: 10px;
left: 10px;
}
.bbcode_mediaWrap img.sharedmedia_screenshot {
float: left;
position: relative;
top: 10px;
left: 10px;
max-width: 80px;
}
/* Show my media label */
.cke_button_ipsmedia span.cke_label {
display: inline !important;
}
Thank you!!