.announcement {
  background-color: #dfffdf;
  border: 1px solid #9fcf9f;
  border-radius: 5px;
  margin: 20px 20px 20px 0px;
  padding: 0 10px;
}
.announcement img {
  float:right;
  max-height: 48px;
  max-width: 48px;
}
#sidebar .announcement ul li {
  list-style-type: disc;
  margin-left: 15px;
}