div#preamble ul {
   list-style-type: none;
   margin-left: -10px;
}

footer div.demo {
   margin-top: 20px;
   text-align: center;
}

footer>div.demo>p:last-of-type>img {
   margin-top: 10px;
}

div#announcements dl dd {
   margin: 20px 0;
}

.important_event {
   font-weight: bold;
}

h3+p+ul>li {
   margin-left: 0px;
}

li li { 
   margin-left: 0;
}