#contenedorPIMG {
    border-radius: 10px;
    width: 600px;
    height: 615px;
    
    overflow: hidden;
    position: relative;
    
    

}
#btnPIMG{
    /*border-radius: 10px;*/
    
   cursor: pointer;
    width: 92px;
    height: 28px;
    font-weight: bold;
    font-style: italic;
    font-family:Verdana, Geneva, Tahoma, sans-serif;
    font-size: 12px;
    position: absolute;
   display: block;
    z-index: 1;
    left: 500px;
    top: 584px;
    
}

#imagenPIMG1 {
    opacity: 1;
    
}

.imagenPIMG {
    position: absolute;
    opacity: 0;
    transition: opacity 1.3s ease-in-out;
    width: 600px;
   
}