Ghost/ghost/admin/lib/koenig-editor/addon/components/koenig-toolbar.hbs

<KgActionBar @class="relative" @instantClose={{true}} @isVisible={{this.showToolbar}}>
    <li class="ma0 lh-solid">
        <button
            type="button"
            title="Bold"
            class="dib dim-lite link h9 w9 nudge-top--1"
            {{on "click" (fn this._toggleMarkup "strong")}}
        >
            {{svg-jar "koenig/kg-bold" class=(concat (if this.activeMarkupTagNames.isStrong "fill-green-l2" "fill-white") " w4 h4")}}
        </button>
    </li>
    <li class="ma0 lh-solid">
        <button
            type="button"
            title="Italic"
            class="dib dim-lite link h9 w9 nudge-top--1"
            {{on "click" (fn this._toggleMarkup "em")}}
        >
            {{svg-jar "koenig/kg-italic" class=(concat (if (or this.activeMarkupTagNames.isEm this.activeMarkupTagNames.isI) "fill-green-l2" "fill-white") " w4 h4")}}
        </button>
    </li>
    {{#unless this.basicOnly}}
        <li class="ma0 lh-solid">
            <button
                type="button"
                title="Heading 2"
                class="dib dim-lite link h9 w9 nudge-top--1"
                {{on "click" (fn this._toggleHeaderSection "h2")}}
            >
                {{svg-jar "koenig/kg-heading-1" class=(concat (if this.activeSectionTagNames.isH2 "fill-green-l2" "fill-white") " w4 h4")}}
            </button>
        </li>
        <li class="ma0 lh-solid">
            <button
                type="button"
                title="Heading 3"
                class="dib dim-lite link h9 w9 nudge-top--1"
                {{on "click" (fn this._toggleHeaderSection "h3")}}
                data-test-button="toolbar-h3"
            >
                {{svg-jar "koenig/kg-heading-2" class=(concat (if this.activeSectionTagNames.isH3 "fill-green-l2" "fill-white") " w4 h4")}}
            </button>
        </li>
    {{/unless}}

    <li class="ma0 ml1 mr1 lh-solid kg-action-bar-divider bg-darkgrey-l2 h5" role="separator"></li>

    {{#unless this.basicOnly}}
        <li class="ma0 lh-solid">
            <button
                type="button"
                title="Quote"
                class="dib dim-lite link h9 w9 nudge-top--1"
                {{on "click" this.toggleQuoteSection}}
            >
                {{#if this.activeSectionTagNames.isBlockquote}}
                    {{svg-jar "koenig/kg-quote-1" class="fill-green w4 h4"}}
                {{else if this.activeSectionTagNames.isAside}}
                    {{svg-jar "koenig/kg-quote-2" class="fill-green w4 h4"}}
                {{else}}
                    {{svg-jar "koenig/kg-quote" class="fill-white w4 h4"}}
                {{/if}}
            </button>
        </li>
    {{/unless}}
    <li class="ma0 lh-solid">
        <button
            type="button"
            title="Link"
            class="dib dim-lite link h9 w9 nudge-top--1"
            {{on "click" this._editLink}}
        >
            {{svg-jar "koenig/kg-link" class=(concat (if this.activeMarkupTagNames.isA "fill-green-l2" "fill-white") " w4 h4")}}
        </button>
    </li>

    {{#if @addSnippet}}
        {{#unless this.basicOnly}}
            <li class="ma0 ml1 mr1 lh-solid kg-action-bar-divider bg-darkgrey-l2 h5" role="separator"></li>
            <li class="ma0 lh-solid">
                <button
                    type="button"
                    title="Create snippet"
                    class="dib dim-lite link h9 w9 nudge-top--1"
                    {{on "click" @addSnippet}}
                >
                    {{svg-jar "koenig/kg-snippet" class="w4 h4"}}
                </button>
            </li>
        {{/unless}}
    {{/if}}

</KgActionBar>