Specifically this part:
[div class="excerpt" style="margin-left:1.5em; border: 1px solid #bfbfbf; border-radius: 0.4615em; box-shadow: 2px 2px 4px #999999;"][font style="font-size:1.07em; font-family:monospace; white-space:pre;"]body {[/font]
[font style="font-size:1.07em; font-family:monospace; white-space:pre;"] font-family: Verdana, Arial, Helvetica, sans-serif;[/font]
[font style="font-size:1.07em; font-family:monospace; white-space:pre;"] font-size: .8125em; /* 13px (see note above) */[/font]
[font style="font-size:1.07em; font-family:monospace; white-space:pre;"] text-align: center;[/font]
[font style="font-size:1.07em; font-family:monospace; white-space:pre;"] margin: 0px auto 0px auto;[/font]
[font style="font-size:1.07em; font-family:monospace; white-space:pre;"] padding: 0px;[/font]
[font style="font-size:1.07em; font-family:monospace; white-space:pre;"] background-color: #FFFFFF;[/font]
[font style="font-size:1.07em; font-family:monospace; white-space:pre;"] position: relative;[/font]
[font style="font-size:1.07em; font-family:monospace; white-space:pre;"] z-index: 0;[/font]
[font style="font-size:1.07em; font-family:monospace; white-space:pre;"] [font style="background-color:#ffff66;"]overflow: scroll;[/font][/font]
[font style="font-size:1.07em; font-family:monospace; white-space:pre;"]}[/font]
The highlighted declaration is new. Anyone that is comfortable setting up a user style sheet or is using a browser add-on to do user styles can fix the issue by adding the following:
[div class="excerpt" style="margin-left:1.5em; border: 1px solid #bfbfbf; border-radius: 0.4615em; box-shadow: 2px 2px 4px #999999;"][font style="font-size:1.07em; font-family:monospace; white-space:pre;"]body {[/font]
[font style="font-size:1.07em; font-family:monospace; white-space:pre;"] overflow:visible !important;[/font]
[font style="font-size:1.07em; font-family:monospace; white-space:pre;"]}[/font]
Tested in Opera (since it is so easy to do user style sheets). I probably will do some testing in other browsers shortly, but I doubt that is even necessary.