message: Fixes Indicate dev mode with a logo badge
diff: <header id="nav-header">
  <div id="nav-header-bg"></div>
  <div id="header-main" class="container">
  - <a href="{{ "/" | absURL }}" title="{{ T "logo-a-title" . }}"><img id="logo" src="{{ T "logo" . | absURL }}"
  - title="{{ T "logo-title" . }}"></a>
  + <a href="{{ "/" | absURL }}" title="{{ T "logo-a-title" . }}" style="position: relative;">
  + <img id="logo" src="{{ T "logo" . | absURL }}" title="{{ T "logo-title" . }}">
  + {{ if .Site.Params.devMode }}
  + <span class="dev-mode-indicator" style="font-family: monospace; font-weight: bold; color: #d53f8c; position: absolute; bottom: 22px; right: -25px;">DEV</span>
  + {{ end }}
  + </a>
  <nav id="main-nav">
  <div id="menu-items">
  <a href="{{ "company" | absURL }}" class="menu-link desktop-only">{{ T "header-cdb" }}</a>
  