.diff {
  overflow: auto;
  font-family: monospace;
  font-size: 0.875rem;
}
.diff ul {
  background: #fff;
  overflow: auto;
  font-size: 13px;
  list-style: none;
  margin: 0;
  padding: 0;
  display: table;
  width: 100%;
}
.diff del, .diff ins {
  display: block;
  text-decoration: none;
}
.diff li {
  padding: 0;
  display: table-row;
  margin: 0;
  height: 1em;
}
.diff li.ins {
  background: #dfd;
  color: #080;
}
.diff li.del {
  background: #fee;
  color: #b00;
}
.diff li:hover {
  background: #ffc;
}
/* try 'whitespace-pre-wrap' if you want to wrap lines */
.diff del, .diff ins, .diff span {
  white-space: pre-wrap;
  font-family: courier;
}