message: fix appearance on several browsers
diff: @@ -308,7 +308,7 @@ header li {
  }
  #navbar ul {
  - background-color: #ffffffd9;
  + background-color: rgba(255, 255, 255, 0.87);
  margin: 0;
  }
  @@ -326,7 +326,7 @@ header li {
  font-size:12px;
  font-weight: bold;
  color:#676767;
  - display:block;
  + display:flex;
  text-align:left;
  padding:0px 5px;
  margin:0px;
  @@ -334,13 +334,17 @@ header li {
  line-height:37px;
  }
  -.navitem a { display: block; }
  +.navitem a {
  + display: block;
  + width: 100%;
  +}
  .levelbar {
  float: inline-start;
  margin-left: 8px;
  margin-right: 5px;
  - border-left: 1px solid #0000004d;
  + border-left: 1px solid rgba(0, 0, 0, 0.3);
  + width: 1px !important;
  }
  .currentitem {
  