pylons_app/public/js/yui/button/assets/button-core.css

/*
Copyright (c) 2009, Yahoo! Inc. All rights reserved.
Code licensed under the BSD License:
http://developer.yahoo.net/yui/license.txt
version: 2.8.0r4
*/
.yui-button  {

    display: -moz-inline-box; /* Gecko */
    display: inline-block; /* IE, Opera and Safari */
    vertical-align: text-bottom;
    
}

.yui-button .first-child {

    display: block;
    *display: inline-block; /* IE */

}

.yui-button button,
.yui-button a {

    display: block;
    *display: inline-block; /* IE */
    border: none;
    margin: 0;

}

.yui-button button {

    background-color: transparent;
    *overflow: visible; /* Remove superfluous padding for IE */
    cursor: pointer;

}

.yui-button a {

    text-decoration: none;

}