@charset "UTF-8";
.toc_tocContentBox .toc_layerContent>.rstcustom__rowContents>.rstcustom__rowToolbar>.rstcustom__toolbarButton>button {
    width: 30px;
    height: 30px;
    background-position: center;
    background-repeat: no-repeat;
    background-color: #fff;
    border: 1px solid #E0E0E0;
}