body{
    background-color: black;
    color: white;
    margin:0;
}
header{
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
    margin-bottom: 70px;
    margin-top: 50px;
    margin-left: auto;
    margin-right:auto;
}
.Logo_title{
    width: 300px; 
   height: 72px;
    display: flex;
    align-items: center;
    margin-left: 9%;

}
.image_logo{
    margin-right: 25px; 
}
.title  {
    text-align : center;
}
nav {
    background-color: black;
  }
  
  nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
  }
  
  nav li {
    display: inline-block;
    margin-right: 100px;
  }
  
  nav a {
    text-decoration: none;
    color: white;
    font-size: 2em;
    padding: 5px 10px;
  }
  
  nav a:hover {
    background-color: #555;
  }

main{
  width: fit-content;
}


 
  .photo_membre{
      width : fit-content;
      height: auto;
     margin-left: auto;
     margin-right : auto;
     margin-bottom: 100px;
  }
  .txtandim{
    width : fit-content;
    margin-left: auto;
    margin-right:auto;
    
    
    
  }
  .txt{
    width: 70%;
    font-size: 1.6em;
    margin-left: auto;
    margin-right:auto; 
  
  }
  footer {
    width: 100%;
    background-color: black;
    margin-top: 300px;
    bottom: 0;
    left: 0;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
}

footer ul {
    list-style: none;
    margin-left: auto;
    margin-right: auto;
    padding: 0;
    margin: 0;
}

footer li {
    margin-left: auto;
    margin-right: auto;
    font-size: 1.2em;
    color: white;
    display: flex;
    align-items: center;
}

footer a {
    text-decoration: none;
    color: blue;
    font-size: 1.2em;
    padding: 5px 10px;
}