<style>
    .punbb .quote-box, .punbb .code-box {
    border-radius:15px;
    -webkit-border-radius:15px;
    -khtml-border-radius:15px;
    -moz-border-radius:15px;
    -o-border-radius:15px;
    box-shadow: 0px 5px 18px #000;
    -webkit-box-shadow:0px 5px 18px #000;
    -khtml-box-shadow:0px 5px 18px #000;
    -moz-box-shadow:0px 5px 18px #000;
    }
</style>