forgejo/templates/repo/issue/fields/dropdown.tmpl

<div class="field {{if not .item.VisibleOnForm}}tw-hidden{{end}}">
	{{template "repo/issue/fields/header" .}}
	{{/* FIXME: required validation */}}
	<div class="ui fluid selection dropdown {{if .item.Attributes.multiple}}multiple clearable{{end}}">
		<input type="hidden" name="form-field-{{.item.ID}}" value="0">
		{{svg "octicon-triangle-down" 14 "dropdown icon"}}
		{{if not .item.Validations.required}}
		{{svg "octicon-x" 14 "remove icon"}}
		{{end}}
		<div class="default text"></div>
		<div class="menu">
			{{range $i, $opt := .item.Attributes.options}}
				<div class="item" data-value="{{$i}}">{{$opt}}</div>
			{{end}}
		</div>
	</div>
</div>