@font-face {
  font-family: "GE Inspira";
  src: url("GE_Inspira.ttf") format("truetype");
}

html, body {
  margin: 0;
  padding: 0;
  font-family: "GE Inspira", verdana, serif;
  font-size: 14pt;
}

* {
  box-sizing: border-box;
}

@media screen and (max-width: 980px) {
  #sommaire ol {
    position: relative;
    z-index: 100;
    margin-left: 5%;
    list-style-type: circle;
    font-size: 1.4em;
    font-weight: normal;
    line-height: 2em;
    padding: 0.5em;
  }
  #menu {
    background-color: white;
    z-index: 10;
    width: 100%;
    margin-left: 0%;
    margin-right: 0%;
    padding-top: 3%;
    padding-left: 10%;
    padding-right: 10%;
  }
  #menu li {
    padding-right: 1em;
    list-style-type: none;
    font-size: 1.4em;
    display: inline;
  }
  #menu h4 {
    padding-right: 1em;
    list-style-type: none;
    font-size: 2em;
    display: inline;
  }
  #droite {
    width: 100%;
    margin-left: 5%;
    margin-right: 5%;
    padding-top: 2%;
  }
  #droite img {
    max-width: 100%;
    height: auto;
  }
  #droite h2 {
    font-size: 1.5em;
    font-weight: normal;
  }
  #droite h3 {
    font-size: 1.5em;
    font-weight: normal;
    margin: 0;
  }
  #droite a {
    color: blue;
    text-decoration: none;
    outline: none;
    font-size: 1.3em;
  }
  #droite img.aaa {
    width: 32px;
    height: 32px;
    float: left;
    margin-right: 0.5em;
  }
  #A4 {
    width: 90%;
    padding-left: 5%;
    padding-right: 5%;
    padding-top: 4%;
  }
  #A4 h2 {
    font-size: 1.4em;
    font-weight: normal;
    margin: 0;
  }
  #A4 h3 {
    font-size: 1.5em;
    font-weight: normal;
    margin: 0;
  }
  #A4 a {
    color: blue;
    text-decoration: none;
    outline: none;
    font-size: 1.3em;
  }
  a.retour {
    float: right;
    font-size: 2em;
  }
}

@media screen and (min-width: 981px) {
  #sommaire ol {
    position: relative;
    z-index: 100;
    margin-left: 5%;
    list-style-type: circle;
    font-size: 1em;
    font-weight: normal;
    line-height: 1.8em;
    padding: 0.5em;
  }
  #menu {
    background-color: white;
    z-index: 10;
    position: fixed;
    width: 100%;
    margin-left: 0%;
    margin-right: 0%;
    margin-top: 0;
    padding-left: 10%;
    padding-right: 10%;
  }
  #menu li {
    padding-right: 1em;
    list-style-type: none;
    font-size: 1em;
    display: inline;
  }
  #menu h4 {
    padding-right: 1em;
    list-style-type: none;
    font-size: 1.5em;
    display: inline;
  }
  #menu a {
    font-size: 2em;
  }
  #droite {
    position: relative;
    width: 100%;
    padding-left: 10%;
    padding-right: 10%;
    padding-top: 12%;
  }
  #droite h2 {
    font-size: 1.1em;
    font-weight: normal;
  }
  #droite h3 {
    font-size: 1.2em;
    font-weight: normal;
    margin: 0;
  }
  #droite img {
    max-width: 100%;
    height: auto;
  }
  #droite a {
    color: blue;
    text-decoration: none;
    outline: none;
    font-size: 0.8em;
  }
  #A4 {
    width: 100%;
    padding-left: 10%;
    padding-right: 10%;
    padding-top: 12%;
  }
  #A4 h2 {
    font-size: 1.1em;
    font-weight: normal;
    margin: 0;
  }
  #A4 h3 {
    font-size: 1.2em;
    font-weight: normal;
    margin: 0;
  }
  #A4 a {
    color: blue;
    text-decoration: none;
    outline: none;
    font-size: 0.8em;
  }
  a.retour {
    float: right;
  }
}

/* Partie commune */

#menu a {
  color: #0072ff;
  text-decoration: none;
  outline: none;
  font-size: 1.1em;
}

#menu a:hover {
  color: red;
  text-decoration: none;
}

#menu .ar {
  line-height: 30px;
}

#menu .img {
  margin-left: auto;
  margin-right: auto;
}

#menu .hr {
  width: 100%;
  height: 2px;
  background-color: red;
  border: none;
  /*on supprime le style par défaut*/
}

#droite img.aaa {
  width: 32px;
  height: 32px;
  float: left;
  margin-right: 0.5em;
}

a {
  color: blue;
  text-decoration: none;
  outline: none;
  font-size: 1.1em;
}

a:hover {
  color: red;
  text-decoration: none;
}

h1 {
  color: black;
  font-family: GE Inspira, Arial, Helvetica, sans-serif;
  font-size: 38px;
  font-weight: normal;
}

h2 {
  font-size: 20px;
  font-weight: normal;
  margin: 0;
}

#entete {
  width: 80%;
  height: auto;
  margin-left: 10%;
  margin-right: 10%;
}

#entete h1 {
  position: relative;
  z-index: 100;
  margin-left: 25%;
  font-size: 1.6em;
}

#entete h2 {
  position: relative;
  z-index: 100;
  margin-left: 25%;
  font-size: 1.7em;
}

#sommaire {
  width: 80%;
  margin-left: 10%;
  margin-right: 10%;
}

#sommaire a {
  color: #000000;
  text-decoration: none;
  outline: none;
  font-size: 1.1em;
}

#sommaire a:hover {
  color: red;
  text-decoration: none;
}