html {
  font-family: Open Sans, sans-serif;
  font-size: 100%;
  background-color: rgb(246, 246, 246);
  float: left;
  width:100%;
}

A {text-decoration: none;} /* Supprime le soulignement de tous les liens de la page */

body {
  margin: 0px;
  padding: 0px;
  top: 0px;
  font-size: 1.2em;
}


h1 { font-size: 1.4em; }
h2 { font-size: 1.2em; }
h3 { font-size: 1.0em; }
h4 { font-size: .80em; }
h5 { font-size: .70em; }
h6 { font-size: .60em; }

quisuisje {
  text-align: center;
  font-size: 1.25em;
  color: red;
}

p {
  font-size: 1.0em;
  width: 100%;
}

div.center {
  margin: auto;
  text-align: center;
}

/* Style the header */
header {
  background-color: #000000;
  height: 54px;
  line-height: 54px; /* égale au height précédent */
  font-size: 2vw;
  margin: 0px;
  text-align: center;
  color: yellow;
  width: 100%
}

footer {
  background-color: #000000;
  height: 70px;
  line-height: 70px; /* égale au height précédent */
  text-align: center;
  font-size: 1.5em;
  color: yellow;
  width: 100%;
}

div.cadre {
  margin: 0;
  background-color: black;
  text-align: center;
  color: yellow;
  padding: 0px;
  width: 100%
  height: 60px;
}

article {
  float: left;
  padding: 20px;
  width: 100%;
  background-color: #f1f1f1;
}

div.gallery {
/*  float: left;*/
  margin: 6px;
  text-align: center;
  border: 0px solid #ccc;
  width: 240px;
}

div.gallery:hover {
  border: 0px solid #777;
}

div.gallery img {
  width: 100%;
  height: 160;
}

div.award {
  margin: 40;
  border: 0px solid #ccc;
  text-align: center;
  width: 240px;
}

div.award:hover {
  border: 0px solid #777;
}

div.award img {
  width: 100%;
  height: 160px;
}

div.desc {
  padding: 0px;
  text-align: center;
  font-size: 1.25em;
}

* {
  box-sizing: border-box;
}

.responsive {
  padding: 0 20px;
  float: left;
  width: 24.99999%;
}

@media only screen and (max-width: 1200px) {
  .responsive {
    width: 49.99999%;
    margin: 20px 0;
  }
}

@media only screen and (max-width: 600px) {
  .responsive {
    width: 100%;
  }
}

.clearfix:after {
  content: "";
  display: table;
  clear: both;
}