html, body {
  background: #f2f2f2 !important; }

div.content {
  padding: 0 0.1rem;
  background: #fff; }

.note-header {
  height: 0.5rem;
  border-bottom: 1px solid #e1e1e1; }

.note-header .note-tab {
  position: relative;
  height: 100%;
  text-align: center;
  line-height: 0.5rem;
  padding: 0 0.12rem; }

.note-header .note-tab .title {
  font-size: 0.2rem;
  font-weight: 300;
  color: #323232; }

.note-header .note-tab .history-back {
  position: absolute;
  width: 0.45rem;
  height: 100%;
  left: 0;
  top: 0; }

.note-header .note-tab .history-back a {
  display: block;
  width: 100%;
  height: 100%; }

.note-header .note-tab .history-back a img {
  display: inline-block;
  width: 0.16rem; }