.CodeMirror-dialog {

  position: relative;

}



.CodeMirror-dialog > div {

  position: absolute;

  top: 0; left: 0; right: 0;

  background: white;

  border-bottom: 1px solid #eee;

  z-index: 15;

  padding: .1em .8em;

  overflow: hidden;

  color: #333;

}



.CodeMirror-dialog input {

  border: none;

  outline: none;

  background: transparent;

  width: 20em;

  color: inherit;

  font-family: monospace;

}



.CodeMirror-dialog button {

  font-size: 70%;

}