{{- $url := .Permalink -}}
{{- $facebookappid := .Site.Params.facebookAppId -}}
<div class="flex" >
  <amp-social-share type="twitter"
                    width="40"
                    height="29"
                    data-param-url="{{- $url -}}"></amp-social-share>
  <amp-social-share type="facebook"
                    width="40"
                    height="29"
                    data-param-app_id="{{- $facebookappid -}}"
                    data-param-href="{{- $url -}}"></amp-social-share>
</div>