div#crono{

background-image: url("cronometro.jpg");
background-repeat: no-repeat;
background-position: center;
width: 207px;
height: 310px;
background-size: 310px 233px;
text-align: center;
margin: 0 auto;
padding-right: 35px;
padding-top: 225px;
font-size: 30px;
}

}