fieldset {
  border-style:dotted;
  border-width:1px;
  border-color:#bebebe;
  border-radius:4px;
  padding:10px;
}

legend {
  font-size:1.2em;
  display:inline !important;
  width:auto;
  padding-left:10px;
  padding-right:10px;
}

.CodeMirror {
  font-family: Arial, 'Liberation Sans', Verdana, sans-serif;
  font-size: 16px;
}
.CodeMirror pre.CodeMirror-placeholder { 
  color: #999; 
}