.ui-helper-hidden {
    display: none;
}
.ui-helper-hidden-accessible {
    border: 0;
    clip: rect(0 0 0 0);
    height: 1px;
    margin: -1px;
    overflow: hidden;
    padding: 0;
    position: absolute;
    width: 1px;
}
.rcpm-tooltip {
    background: #464646;
    border-radius: 3px;
    box-shadow: 1px 1px 3px rgba(0, 0, 0, 0.1);
    display: inline-block;
    font-size: 11px;
    color: #fff;
    padding: .5em 1em;
    z-index: 10000;
}