index.css

body {
  background-color: #dad2c8;
  margin: 0;
  font-family: Helvetica;
  font-size: 1.2em;
}

x-list {
  display: block;
  float: left;
  max-width: 300px;
}

x-list .inner {
  padding: 20px;
}

x-list .list {
  margin: 10px 0;
}

x-item {
  cursor: pointer;
  display: block;
  overflow: hidden;
  padding: 10px;
}

x-text {
  display: block;
  float: left;
}

x-text .inner {
  padding: 20px;
}

x-text input {
  background: transparent none;
  border: 0;
  display: block;
  font-size: 1em;
  margin: 10px 0 0 0;
  outline: none;
  padding: 10px;
  width: 80%;
}

x-text textarea {
  background: transparent none;
  border: 0;
  display: block;
  font-size: 1em;
  margin: 0;
  outline: none;
  overflow: hidden;
  padding: 10px;
  resize: none;
  width: 80%;
}

x-item:hover,
x-item[selected],
x-text input:focus,
x-text input:hover,
x-text textarea:focus,
x-text textarea:hover {
  background-color: #e8e3dc;
}