/*class for listing in user menu*/
#sz {font-size:7px; padding: 3px; border-radius: 5px; width: auto; float: left; color: #fff; float: left; min-width: 150px; text-align: center; }
#sz.sz-off-line  {background: #F44336; animation:blink 1000ms infinite alternate;}
#sz.sz-on-line {background: #8BC34A;animation:blink 1000ms infinite alternate;}

@keyframes blink {
    from { opacity:0.9; }
    to { opacity:0.5; }
};