How to add Code box in blogger

How to add Code box in blogger

.code { background:#000000; background-repeat:no-repeat; border: solid #99ff66; border-width: 1px 1px 1px 1px; color: #ff0000; font: 20px 'Courier New', Courier, monospace; line-height: 16px; margin: 10px 0 10px 10px; max-height: 200px; min-height: 16px; overflow: auto; padding: 28px 10px 10px; width: 90%; } .code:hover { background-repeat:no-repeat; }