weseek__growi/packages/hackmd/src/style.scss

.navbar-header {
  .navbar-brand {
    display: none;
  }
}

.navbar-form {
  margin-left: 15px;
}

.navbar-right {
  .ui-new, .ui-publish {
    display: none;
  }
}

.CodeMirror pre.CodeMirror-line {
  font-family: Osaka-Mono, 'MS Gothic', Monaco, Menlo, Consolas, 'Courier New', monospace;
  font-size: 14px;
  line-height: 20px;
}