#cointener{
    position: relative;
    margin: auto;
    height: 40vw;
    width: 40vw;
    background:url(clock.png) no-repeat;
    background-size: 100%;
}

#hour, #minute, #second{
     position:absolute;
     background: #171616;
     border-radius: 10px;
     transform-origin: bottom;
     
}
#hour{
   width: 2.3%;
    height: 20%;
    top: 29.5%;
    left: 50%;
    opacity: 0.8;
    
    
}
#minute{
width: 1.5%;
    height: 33%;
    top: 17%;
    left: 50%;
    opacity: 0.8;
    
    
    
}
#second{
width: 0.8%;
    height: 37.5%;
    top: 13%;
    left: 49.5%;
    opacity: 0.8;

}