Ghost/ghost/admin/app/components/modals/settings/signup-form-embed.hbs

<div class="modal-content modal-signup-form-embed" data-test-modal="signup-form-embed">
    <button type="button" class="close" title="Close" {{on "click" @close}}>{{svg-jar "close"}}<span class="hidden">Close</span></button>

    <div class="modal-signup-form-embed-preview">
        <Settings::SignupForm::Preview
            @html={{this.previewCode}}
            @style={{this.style}}
        />
    </div>

    <div class="modal-signup-form-embed-main">
        <header class="modal-header">
            <h1>Embed signup form</h1>
        </header>

        <div class="modal-body">
            <GhFormGroup class="gh-signup-form-container">
                <div class="gh-stack-item row">
                    <label class="modal-fullsettings-title">
                        Layout
                    </label>
                        <Settings::SignupForm::StyleSelect
                        @value={{this.style}}
                        @onChange={{this.setStyle}}
                    />
                </div>

                {{#unless (eq this.style 'minimal')}}
                    <div class="gh-stack-item row">
                        <label class="modal-fullsettings-title">
                            Background color
                        </label>
                        <Modals::Newsletters::Components::ColorPicker
                            @color={{this.backgroundColor}}
                            @presetColors={{this.backgroundPresetColors}}
                            @onColorChange={{this.setBackgroundColor}}
                        />
                    </div>
                {{/unless}}

                <div class="gh-stack-item">
                    <label class="modal-fullsettings-title">
                        Labels at signup
                    </label>
                    <GhMemberLabelInput
                        @onChange={{this.setLabels}}
                        @allowEdit={{false}}
                        @labels={{this.labels}}
                        @triggerId="label-input"
                        @placeholder="Select"
                        @renderInPlace={{false}}
                    />
                </div>

                <div class="gh-stack-item">
                    <div class="flex-grow-1">
                        <label class="modal-fullsettings-title">
                            Embed code
                        </label>
                        <GhTextarea
                            @id="gh-signup-form-embed-code-input"
                            @class="gh-input gh-signup-form-embed-code-input"
                            @value={{this.generatedCode}}
                            readonly
                            {{on "mouseup" this.copyTextOnMouseUp}}
                        />
                        <p>Paste this code onto any website where you'd like your signup to appear.</p>
                    </div>
                </div>
            </GhFormGroup>

        </div>

        <div class="modal-footer">
            <GhTaskButton
                @buttonText="Copy code"
                @task={{this.copyText}}
                @successText="Copied"
                @class="gh-btn gh-btn-black gh-btn-icon"
            />
        </div>
    </div>
</div>