header {
  padding: 80px 0 40px;
}

section {
  padding: 100px 0;
}

.mdl-card {
  width: 100%;
}

#demo-sign-in-card > .mdl-card__title {
  height: 125px;
}

#demo-create-message-result {
  margin-left: 10px;
}

.mdl-textfield, .mdl-textfield > textarea {
  width: 100%;
  resize: none;
}

h5 {
  margin: 20px 5px;
}

button:not(:first-child) {
  margin-left: 5px;
}

li:hover {
  background-color: rgba(158,158,158,.2);
  cursor: pointer;
}

li.selected {
  background-color: rgba(158,158,158,.4);
}

.demo-create-message {
  padding: 10px;
}

.demo-message-list,
.demo-message-details {
  padding-left: 10px;
}

.demo-message-list > ul {
  height: 335px;
  overflow: auto;
}

.demo-message-details > pre {
  height: 400px;
  overflow: auto;
}