Rocket.Chat/app/ui-utils/client/lib/modal.html

<template name="rc_modal">
	<div class="rc-modal-wrapper">
		<dialog class="rc-modal rc-modal--{{modifier}}" data-modal="modal">
			{{#if template}}
				{{> Template.dynamic template=template data=data}}
			{{else}}
				<header class="rc-modal__header">
					<h1 class="rc-modal__title">
						{{#if html}}
							{{{title}}}
						{{else}}
							{{title}}
						{{/if}}
					</h1>
					<button aria-label="{{_ "Close"}}" class="rc-tooltip contextual-bar__close js-close">
						{{> icon classes="rc-modal__close" icon="plus"}}
					</button>
				</header>

				<section class="rc-modal__content">
					{{#if content}}
						{{> Template.dynamic template=content data=data}}
					{{/if}}
					{{#if type}}
						{{> icon block=type icon=modalIcon}}
					{{/if}}
					{{#if text}}
						<div class="rc-modal__content-text">
							{{#if html}}
								{{{text}}}
							{{else}}
								{{text}}
							{{/if}}
						</div>
					{{/if}}
					{{#if input}}
						<div class="rc-input">
							<label class="rc-input__label">
								<div class="rc-input__wrapper">
									<input name="name" type="{{inputType}}" class="rc-input__element js-modal-input" placeholder="{{inputPlaceholder}}">
								</div>
							</label>
						</div>
						<div class="rc-modal__content-error"></div>
					{{/if}}
					{{#if dontAskAgain}}
						<label class="rc-checkbox">
							<input type="checkbox" id="dont-ask-me-again" class="rc-checkbox__input js-modal-dont-ask">
							{{> icon icon="check" block="rc-checkbox__icon"}}
							<span class="rc-checkbox__text rc-text__small">{{_ "Dont_ask_me_again"}}</span>
						</label>
					{{/if}}
					</section>
					{{# if showFooter }}
						<footer class="rc-modal__footer {{#unless showFooter}}rc-modal__footer--empty{{/unless}}">
							<input class="rc-button rc-button--nude js-close {{#unless showCancelButton}}rc-button--invisible{{/unless}}" type="submit" data-button="cancel" value="{{cancelButtonText}}">
							<input style="background-color:{{confirmButtonColor}}" class="rc-button rc-button--primary js-confirm {{#unless showConfirmButton}}rc-button--invisible{{/unless}}" type="submit" data-button="create" value="{{confirmButtonText}}">
						</footer>
					{{/if}}
			{{/if}}
			</dialog>
	</div>
</template>