gitea/templates/repo/issue/view_content/attachments.tmpl

{{- range .Attachments -}}
<div class="twelve wide column" style="padding: 6px;">
	<a target="_blank" rel="noopener noreferrer" href="{{.DownloadURL}}" title='{{$.ctx.i18n.Tr "repo.issues.attachment.open_tab" .Name}}'>
	{{if FilenameIsImage .Name}}
		<span class="ui image">{{svg "octicon-file" 16}}</span>
	{{else}}
		<span class="ui image">{{svg "octicon-desktop-download" 16}}</span>
	{{end}}
		<span><strong>{{.Name}}</strong></span>
	</a>
</div>
<div class="four wide column" style="padding: 0px;">
	<span class="ui text grey right">{{.Size | FileSize}}</span>
</div>
{{end -}}