body {
  margin: 0;
  background-image: url("https://static.vecteezy.com/ti/vecteur-libre/p1/4775601-poker-table-vector-illustration-isolated-poker-or-black-jack-table-with-green-carpet-realistic-casino-online-poker-table-element-gambling-room-concept-design-vector-illustration-vectoriel.jpg");
  background-size: 1300px;
  background-repeat: no-repeat;
  background-position: 10% 10%;
  font-family: "Pixelify Sans", sans-serif;
}

.header {
  text-align: center;
  padding-top: 30px; /* pour coller un peu plus en haut */
}

.titre {
  font-size: 75px;
  color: #FF0000;
  margin: 0;
  padding: 0;
}

p {
  font-size: 25px;
  line-height: 1.2;
  margin: 0;
}

.container {
  display: flex;
  justify-content: center;  
  align-items: center;     
  min-height: 50vh;
  margin-bottom: -30px;        
}

.styled {
  display: inline-block;
  border: 0;
  line-height: 2.5;
  padding: 0 20px;
  font-size: 1rem;
  text-align: center;
  color: #fff;
  text-shadow: 1px 1px 1px #000;
  border-radius: 10px;
  background-color: rgb(220 0 0 / 100%);
  background-image: linear-gradient(
    to top left,
    rgb(0 0 0 / 20%),
    rgb(0 0 0 / 20%) 30%,
    rgb(0 0 0 / 0%)
  );
  box-shadow:
    inset 2px 2px 3px rgb(255 255 255 / 60%),
    inset -2px -2px 3px rgb(0 0 0 / 60%);
  cursor: pointer;
  text-decoration: none;
  margin-top: 20px;
}

.styled:hover {
  background-color: rgb(255 0 0 / 100%);
}

.styled:active {
  box-shadow:
    inset -2px -2px 3px rgb(255 255 255 / 60%),
    inset 2px 2px 3px rgb(0 0 0 / 60%);
}