style.css

#logo {
  width: 500px;
  margin: auto;
  margin-top: 200px;
  display: flex;
  flex-flow: column;
  align-items: center;
}

#recherche {
  width: 500px;
  margin: auto;
  display: flex;
  box-shadow: 2px 2px 4px #FFFFFF;
}

#boutons {
  width: 500px;
  margin: auto;
  margin-top: 20px;
  display: flex;
  /* flex-flow: row; */
  flex-direction: row;
  align-items: center;
  justify-content: center;
}

#navigation {
  display: flex;
  flex-flow: row;
  list-style-type: none;
  /* font-family: Arial, Helvetica, sans-serif; */
  margin-top: 10px;
  margin-left: 1500px;
  margin-right: 20px;
}

footer {
    display: flex;
    flex-direction: column;
    padding: 0px 0px 0px 0px;
}

ul.listBas {
    border: 1px solid #e7e7e7;
    background-color: #f3f3f3;
    list-style-type: none;
    display: block;
    margin: 0px;
    padding: 14px;
}

li {
    color: #666;
    display: inline;
    padding: 4px;
}

/* Nouveaux styles */

a.lien-nav {
  color: black;
  text-decoration: none;

}

a:hover.lien-nav {
  text-decoration: underline;
}

a:link.connexion, a:visited.connexion {
    background-color: blue;
    color: white;
    padding: 5px 10px 5px 10px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
}

body {
    font-size: 13px;
    font-family: Arial, Helvetica, sans-serif;
}

#base {
  margin-top: 445px;
}

a.lien-footer {
  color: #666;
  text-decoration: none;

}

a:hover.lien-footer {
  text-decoration: underline;
}