message: close improve lang selection
diff: .langSelect > select {
  width: 100%;
  - margin-top: 15px;
  - line-height: 20px;
  - min-height: 28px;
  - font-size: 14px;
  + margin-top: 13px;
  + line-height: 1.2;
  + min-height: 30px;
  + font-size: 16px;
  display: block;
  background: none;
  appearance: none;
  @media (min-width: 768px) {
  .gitHubButtonWrap {
  - right: 110px;
  + right: 10px;
  }
  .langSelect {
  - right: 10px;
  + right: 120px;
  + }
  +
  + .langSelect > select {
  + font-size: 15px;
  + margin-top: 14px;
  }
  .langSelect:after {
  }
  .gitHubButtonWrap {
  - right: 140px;
  + right: 20px;
  }
  .actionButtonGroup {
  }
  .langSelect {
  - right: 20px;
  + right: 130px;
  min-width: 100px;
  }
  