{{ define "main" }}
    <h1>{{.Title}}</h1>
    <div>
        <!-- "{{.Content}}" pulls from the markdown content of the corresponding _index.md -->
        {{.Content}}
    </div>
    {{ $has_categories := gt (len (first 1 (where .Pages ".Params.category" "ne" nil))) 0 }}
    {{ $has_without_categories := gt (len (first 1 (where .Pages ".Params.category" "eq" nil))) 0 }}
    <!-- Ranges through content/posts/*.md -->
    {{ if $has_categories }}
        {{ range .Pages.GroupByParam "Category" }}
            <div class="pure-g">
                <div class="pure-u-1">
                    {{ if .Key }}
                        <h2>{{ .Key }}</h2>
                    {{ end }}
                    {{ range .Pages }}
                    <div class="pure-g">
                        <div class="pure-u-1">
                            <a href="{{.Permalink}}">{{.Title}}</a>
                        </div>
                    </div>
                    {{ end }}
                </div>
            </div>
        {{ end }}
    {{ end }}
    {{ if and $has_categories $has_without_categories }}
    <div class="pure-g">
        <div class="pure-u-1">
            <h2>Others:</h2>
        </div>
    </div>
    {{ end }}
    {{ range where .Pages ".Params.category" "==" nil }}
        <div class="pure-g">
            <div class="pure-u-1">
                <a href="{{.Permalink}}">{{.Date.Format "2006-01-02"}} | {{.Title}}</a>
            </div>
        </div>
    {{ end }}
{{ end }}