#sec {
	background: url(../images/black-white-s.svg) no-repeat center center;
}
   
#min {
	background: url(../images/black-white-m.svg) no-repeat center center;
}
   
#hour {
	background: url(../images/black-white-h.svg) no-repeat center center;
}
   	
#clock {
	background: url(../images/black-white-main.svg) no-repeat center center;
}