.redactor_toolbar li a.re-symbol {
    background: none;
    text-indent: 0;
    font-size: 12px;
    font-weight: bold;
    height: 14px;
    text-align: center;
    color: #383838;
}
.redactor_toolbar li a.re-symbol:after {
    content:"\03A9";
}
.redactor_dropdown.redactor_dropdown_box_symbol a {
    display: inline-block;
    padding: 0 0 0 0;
    height: 20px;
    width: 20px;
    text-align: center;
    border: 1px solid #dddddd;
    margin: 0 1px 1px 0;
}