<!DOCTYPE html>
<html lang="{{ .Site.Language.Lang }}">
  <head>
    <title>{{- .Site.Title -}}</title>
    {{ $siteDescription := .Site.Params.description }}
    {{ if (index .Site.Data .Site.Language.Lang).site }}
      {{ $siteConfig := (index .Site.Data .Site.Language.Lang).site }}
      {{ if $siteConfig.description }}
        {{ $siteDescription = $siteConfig.description }}
      {{ end }}
    {{ end }}
    <meta name="description" content="{{ $siteDescription }}" />
    
    <!-- import common header