widget-buttons-core.css

/*
YUI 3.7.3 (build 5687)
Copyright 2012 Yahoo! Inc. All rights reserved.
Licensed under the BSD License.
http://yuilibrary.com/license/
*/
.yui3-widget-buttons .yui3-button-close,
.yui3-widget-buttons .yui3-button-close .yui3-button-content,
.yui3-widget-buttons .yui3-button-close .yui3-button-icon {
    display: inline-block;
    *display: inline;
    zoom: 1;
    width: 13px;
    height: 13px;
    line-height: 13px;
    vertical-align: top;
}
.yui3-widget-buttons .yui3-button-close .yui3-button-icon {
    background-repeat: no-repeat;
    background-position: 1px 1px;
}