Ghost/ghost/admin/lib/koenig-editor/addon/components/koenig-card-email-cta.hbs

<KoenigCard
    @icon="koenig/card-indicator-email"
    @class={{concat (kg-style "container-card") " kg-email-card mih10 miw-100 relative"}}
    @style={{@cardStyle}}
    @headerOffset={{@headerOffset}}
    @toolbar={{this.toolbar}}
    @payload={{@payload}}
    @isSelected={{@isSelected}}
    @isEditing={{@isEditing}}
    @selectCard={{@selectCard}}
    @deselectCard={{@deselectCard}}
    @editCard={{@editCard}}
    @saveCard={{@saveCard}}
    @saveAsSnippet={{@saveAsSnippet}}
    @onLeaveEdit={{this.leaveEditMode}}
    @addParagraphAfterCard={{@addParagraphAfterCard}}
    @moveCursorToPrevSection={{@moveCursorToPrevSection}}
    @moveCursorToNextSection={{@moveCursorToNextSection}}
    @editor={{@editor}}
    as |card|
>
    {{#if @isEditing}}
        <KoenigTextReplacementHtmlInput
            @html={{@payload.html}}
            @placeholder="Email only content..."
            @autofocus={{true}}
            @class="miw-100 bn bg-transparent"
            @onChange={{this.updateHtml}}
            @onFocus={{fn (mut this.isFocused) true}}
            @onBlur={{fn (mut this.isFocused) false}}
            @didCreateEditor={{this.registerEditor}}
        />
        <div class="kg-card-help">
            <p>
                <span>Only visible when delivered by email, this card will not be published on your site.</span>
                <a href="https://ghost.org/help/email-newsletters/#email-cards" class="dib lh-zero v-mid kg-card-help-icon-link" target="_blank" rel="noreferer nopener">{{svg-jar "help" class="stroke-midgrey"}}</a>
            </p>
        </div>
    {{else}}
        <p>{{{this.formattedHtml}}}</p>
        <div class="koenig-card-click-overlay"></div>
    {{/if}}
</KoenigCard>