html, body {
    height: 100vh;
    margin: 0;
    padding: 0;
    overflow: hidden;  /* pour désactiver le défilement */
}

body {
  background-image: url('background.png');
  background-position: center center;
  background-size: cover;
  color: #ffffff;  /* white color for text */
  display: flex;  /* use Flexbox for layout */
  flex-direction: column;  /* stack elements vertically */
  align-items: center;  /* center elements horizontally */
  justify-content: center;  /* center elements vertically */
  height: 100vh;  /* make the body fill the viewport height */
  margin: 0;  /* remove default margins */
  padding: 0;  /* remove default padding */
  box-sizing: border-box;  /* include padding and border in element's total width and height */
  font-size: 18px;  /* larger text size */
}

#accueil {
  display: flex; /* Make the block a Flexbox container */
  flex-direction: column; /* Stack the items vertically */
  justify-content: center; /* Center the items vertically */
  background-color: rgba(34, 17, 102, 0.8);  /* semi-transparent dark color for background */
  padding: 20px;
  border-radius: 15px;  /* rounded corners */
  text-align: center;  /* center the text */
  min-height: 50vh;  /* make the block take up at least 50% of the viewport height */
}




#ecranCarteDeVisite,
#ecranEnregistrerContact {
  display: none;
  background-color: rgba(38, 29, 117, 0.8);  /* semi-transparent dark color for background */
  padding: 20px;
  border-radius: 15px;  /* rounded corners */
  width: 80%;  /* make the blocks larger */
  align-items: center; /* Center the items horizontally */
  justify-content: center; /* Center the items vertically */
}

.bloc {
  border: 1px solid #2b2a84;  /* medium color for borders */
  padding: 20px;
  margin: 20px;  /* larger margin */
  border-radius: 15px;  /* rounded corners for a more fluid look */
  background-color: rgba(255, 255, 255, 0.1);  /* slight white overlay for depth */
  width: 80%;  /* make the blocks larger */
}

button {
  background-color: #DD4422;  /* contrasting color for buttons */
  color: #ffffff;  /* white color for button text */
  border: none;
  padding: 10px;
  border-radius: 5px;  /* rounded corners for buttons */
  cursor: pointer;  /* pointer cursor on hover over buttons */
  transition: background-color 0.3s;  /* smooth color transition on hover */
  width: 100%;  /* make the buttons fill the width of the block */
  margin-top: 20px;  /* add some space above the buttons */
}

button:hover {
  background-color: #2b2a84;  /* different color for button on hover */
}

input[type="text"] {
  display: block;  /* make the input fields stack vertically */
  width: 100%;  /* make the input fields fill the width of the block */
  padding: 10px;  /* add some padding inside the input fields */
  margin-bottom: 10px;  /* add some space below the input fields */
}

.centered {
  display: flex;
  justify-content: center;
  width: 100%;
  }

  img {
    max-width: 100%;
    height: auto;
}