style.css

body {
  background: url("https://images.pexels.com/photos/956999/milky-way-starry-sky-night-sky-star-956999.jpeg?auto=compress&cs=tinysrgb&dpr=2&h=650&w=940");
  background-repeat: no-repeat;
  background-size: cover;

   padding:10px;
}


.container {
  margin: 0 auto;
  text-align: center;
  color: white;
    width:75%;

}

.flex-blackjack-row-1,
.flex-blackjack-row-2,
.flex-blackjack-row-3 {
  display: flex;
  padding: 5px;
  flex-wrap: wrap;
  flex-direction: row;
  justify-content: space-evenly;
}

.flex-blackjack-row-2 div {
  padding: 10px;
  border: 1px solid black;

  flex: 1;
  height: 350px;
  text-align: center;
}

.flex-blackjack-row-2 div img {
  padding: 10px;
}

table {
    border: 3px solid black;
    border-collapse: collapse;
    padding:10px;
    width:45%;
    background-color: white;
    text-align: center;
}
table td {
    border: 2px solid black;
}

.flex-blackjack-row-3 div {
  padding: 5px;
}

.flex-blackjack-row-3 button {
  padding: 10 px;
  margin-bottom: 10px;
}

.flex-blackjack-row-2, .flex-blackjack-row-3{
  background-image: url(https://i.stack.imgur.com/q02th.jpg);
  border: 3px solid black;
}