body {
  font-family: sans-serif;
  margin: 15px;
}
textarea,
input {
  width: 100%;
  box-sizing: border-box;
  font-family: monospace;
}
textarea {
  height: 200px;
  margin-bottom: 10px;
}
#result {
  background: #f5f5f5;
  white-space: pre;
  padding: 10px;
}
button {
  padding: 6px 12px;
  cursor: pointer;
}
.tags {
  display: flex;
  flex-wrap: wrap;
  margin: 5px 0;
}
.tag {
  background: #d1e7dd;
  color: #0f5132;
  padding: 4px 8px;
  margin: 2px;
  border-radius: 4px;
  display: flex;
  align-items: center;
}
.tag span {
  margin-left: 6px;
  cursor: pointer;
  font-weight: bold;
}