ohif-viewer/Packages/ohif-viewerbase/client/components/viewer/toolbarSectionButton/toolbarSectionButton.html

<template name="toolbarSectionButton">
    {{#if this.buttonTemplateName}}
        {{>UI.dynamic template=this.buttonTemplateName data=this}}
    {{else}}
        <div id="{{this.id}}"
            class="toolbarSectionButton rp-x-1 {{this.classes}} {{activeClass}} {{#if this.disabled}}disabled{{/if}} {{#if this.disableFunction}}{{#if (disableButton)}}disabled{{/if}}{{/if}}"
            title="{{this.title}}">
            <div class="svgContainer">
                {{#if this.svgLink}}
                <svg>
                    <use xlink:href={{this.svgLink}}></use>
                </svg>
                {{else}}
                <i class={{iconClasses}}></i>
                {{/if}}
            </div>
            <div class="buttonLabel">
                {{this.title}}
            </div>
        </div>
    {{/if}}
</template>