.error_message {
  margin:20px;
  text-align:left;
  border:1px solid #f00;
  background:#fee;
  padding:20px;
  color:#555;
  font-size:90%;
  line-height:1.2em;
}

.flash_message {
  margin:20px;
  text-align:left;
  border:1px solid #ff0;
  background:#ffe;
  color:#555;
  font-size:90%;
  padding:20px;
}

.error_message div, .flash_message div {
  color:#333;
  font-size:125%;
  padding-bottom:8px;
}