datatable-message-core.css

/*
YUI 3.5.1 (build 22)
Copyright 2012 Yahoo! Inc. All rights reserved.
Licensed under the BSD License.
http://yuilibrary.com/license/
*/
.yui3-datatable-message {
    display: none;
}

.yui3-datatable-message-visible .yui3-datatable-message {
    display: block;
    display: table-row-group;
}