added dailymotion and vimeo iframes

layouts/partials/blocks/templates/video/dailymotion.html

-{{ partial "PrepareHTML" .video.iframe }}
\ No newline at end of file
+{{ if .video.poster }}
+  <div class="video-player">
+    <button class="video-player__play" title ="{{- i18n "blocks.video.play" -}}" aria-label="{{- i18n "blocks.video.play" -}}"></button>
+    <img src="{{ .video.poster }}" alt="{{ .video_title }}">
+  </div>
+{{ end }}
+<div class="video-container">
+  <iframe data-unloaded-src="{{ .video.embed }}" title="{{ .video_title }}"></iframe>
+</div>
\ No newline at end of file

layouts/partials/blocks/templates/video/vimeo.html

-{{ partial "PrepareHTML" .video.iframe }}
\ No newline at end of file
+{{ if .video.poster }}
+  <div class="video-player">
+    <button class="video-player__play" title ="{{- i18n "blocks.video.play" -}}" aria-label="{{- i18n "blocks.video.play" -}}"></button>
+    <img src="{{ .video.poster }}" alt="{{ .video_title }}">
+  </div>
+{{ end }}
+<div class="video-container">
+  <iframe data-unloaded-src="{{ .video.embed }}" title="{{ .video_title }}"></iframe>
+</div>
\ No newline at end of file

layouts/partials/head/csp.html

 {{- with site.Data.website.external_domains -}}
-<meta http-equiv="-Content-Security-Policy"
+<meta http-equiv="Content-Security-Policy"
       content="
         default-src 'self' {{ delimit . " " }}
         {{ if not hugo.IsProduction }}'unsafe-inline'{{ end }}