fgdata/webgui/widgets/sidebarwidget.html

<style>
.widget-header-button {
	font-size: unset;
}
.widget-handle {
    cursor: pointer;
    font-weight: bold;
}
</style>
<div data-bind="event: { mouseover: onMouseover, mouseout: onMouseout }">
    <div class="ui-state-default widget-handle">
        <button 
          data-bind="
             button: { 
                 icons: { 
                     primary: pinned() ? 'ui-icon-pin-s' : 'ui-icon-pin-w' 
                 }, 
                 text: false
             }, 
             click: pin"
          class="widget-header-button" title="Pin"></button>
        <button 
          data-bind="
            button: { 
                icons: { 
                    primary: 'ui-icon-circlesmall-close'
                }, 
                text: false
            }, 
            click: close"
          class="widget-header-button" title="Close"></button>
        <span data-bind="text: widget"></span>
    </div>

    <div class="phi-widget" data-bind="component: { name: widget }, visible: expanded"></div>

</div>