p {
  font-family: sans-serif;
}

.avatar {
  width: 2em; 
  float: left; 
  margin-right: 1em;
}

.message {
  border: 1px solid #ccc; 
  padding: 1em;
}

.pre {
  margin-bottom: 0;
}

.date {
  font-size: .8em; 
  color: #666;
}

.small {
  font-size: .8em;
}

.ri {
  float: right;
}