}
.casilla2 {
	BORDER-RIGHT: #000000 2px solid; BORDER-TOP: #000000 2px solid; BORDER-LEFT: #000000 2px solid; BORDER-BOTTOM: #000000 2px solid; BACKGROUND-COLOR: #feefed
}
.celda_calculadora {
	PADDING-RIGHT: 10px; PADDING-LEFT: 10px; PADDING-BOTTOM: 4px; PADDING-TOP: 4px; BORDER-BOTTOM: #cccccc 1px solid; BACKGROUND-COLOR: #f2f2f2; font-family: arial, tahoma, verdana, sans-serif; font-size: 120%;
}

.divEspera {
  background-color: red;
   position: absolute;
   visibility: hidden;
   padding: 5px;
   width:250px;
  z-index: 100;
  font-family: Verdana, Arial, Helvetica, sans-serif;
font-size: 11px; font-weight: bold;
}