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

<template name="gridLayout">
    <div id='imageViewerViewports'>
        {{#each viewport in viewports}}
            <div class="viewportContainer {{getClass @index}} {{ activeClass @index }}" style="height:{{height}}%;width:{{width}}%;">
                {{ #if eq viewport.plugin 'cornerstone'}}
                    <div class="removable">
                        {{>imageViewerViewport (clone viewport)}}
                    </div>
                {{ else }}
                    <div class="viewport-plugin-{{viewport.plugin}}"
                        style="height:100%; width: 100%">
                    </div>
                {{ /if }}
                {{>seriesQuickSwitch (clone this viewport=viewport viewportIndex=@index)}}
            </div>
        {{/each}}
    </div>
</template>