.headerbar #moon {
    float: right;
    margin-right: 5px;
    margin-left: 15px;
    margin-top: 5px;
    margin-bottom: 5px;
    text-decoration:none;
}
.rtl .headerbar #moon {
    float: left;
    margin-right: 15px;
    margin-left: 5px;
    margin-top: 5px;
    margin-bottom: 5px;
    text-decoration:none;
}