body {
 background-image: url(../content/img/slide2.jpg)
}
article {
  border-radius: 10px;
  background-color: rgba(0,0,0,0.9);
  opacity: 0.8;
  padding: 10px;
  margin: 10px;
  color: white !important;
}
td {
  color: white;
}