#popup-acceso {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0,0,0,0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
}
.popup-contenido {
  background: #fff;
  max-width: 400px;
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 0 20px rgba(0,0,0,0.3);
    color:#000!important;
  font-family: sans-serif;
}
.popup-contenido  h3 {
  margin-bottom: 10px;text-align:center;
}
.popup-contenido  p {
  font-size: 15px;
  line-height: 1.5;
}
.popup-contenido  button {
  padding: 10px 20px;
  margin: 10px;
  border: none;
  border-radius: 6px;
  cursor: pointer;
}
.zona-btn{text-align:center;}
#btn-si {
  background-color: #007bff;
  color: white;
}
#btn-no {
  background-color: #dc3545;
  color: white;
}
.txtC{text-align:center;}