.uk-gr-empty{text-align:center;color:#777;padding:1.5em 0}.uk-gr-single .uk-gr-track{justify-content:center}.uk-gr-single .uk-gr-card{flex:0 0 auto;width:min(400px,100%)}.uk-gr-avatar-fallback{width:40px;height:40px;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:600}