@media screen and (max-width: 1000px) {
  #all {
    background: none;
    background-color: #fff;
    width: 90%;
    position: relative;
  }
  #all:before {
    content: '';
    position: absolute;
    display: block;
    height: 100%;
    width: 197px;
    left: 0;
    top: 0;
    z-index: 10;
    background-color: #0070b8;
  }
  #header {
    width: 100%;
    position: relative;
    z-index: 20;
    padding-left: 220px;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
  }
  #head_left {
    position: absolute;
    left: 0;
    top: 0;
    float: none;
  }
  #head_right {
    float: none;
    width: 100%;
  }
 .le_menu {
    position: absolute;
    left: 0;
    top: 133px;
    z-index: 30;
  }
  #all #content {
    margin: 0;
    width: 100%;
    padding-left: 220px;
    min-height: 300px;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
  }
  .exemple_projets div {
    width: 86%;
    padding: 20px 17px;
    margin-bottom: 20px;
  }
  #footer {
    background: none;
    width: 100%;
    background-color: #045d97;
    -moz-box-sizing: border-box;
    position: relative;
    box-sizing: border-box;
    z-index: 40;
  }
}
@media screen and (max-width: 850px) {
  #all:before {
    height: 133px;
    width: 100%;
    background-color: #147bbe;
  }
  #header {
    background: none;
    z-index: 50;
  }
  #head_right {
    background: url(../../_img/css/nom_blanc.jpg) no-repeat center scroll;
    -webkit-background-size: 90%;
    -moz-background-size: 90%;
    -o-background-size: 90%;
    background-size: 90%;
  }
  .logo_menu_top {
    display: block;
    width: auto;
    padding-left: 35px;
    line-height: 20px;
    font-weight: 700;
    position: absolute;
    top: 100px;
    right: 0;
    color: #fff;
    height: 32px;
    padding-top: 5px;
    padding-right: 10px;
    cursor: pointer;
    font-size: 20px;
    z-index: 50;
  }
.logo_menu_top .in_menu {
    width: 20px;
    height: 20px;
    left: 10px;
    top: 5px;
    display: block;
    position: absolute;
    background-color: #fff;
  }
.logo_menu_top .in_menu:before, .logo_menu_top .in_menu:after {
  content: '';
  width: 100%;
  height: 4px;
  display: block;
  position: absolute;
  top: 4px;
  left: 0;
  background-color: #0070b8;
}
.logo_menu_top .in_menu:after {
  top: initial;
  bottom: 4px;
}
.le_menu {
  display: none;
}
.le_menu_open {
  display: block;
  height: 100%;
  padding-top: 150px;
  padding-left: 10%;
  top: 0;
  width: 100%;
  background-color: #0070b8;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
}
#all #content {
  padding: 20px;
}
}
@media screen and (max-width: 700px) {
  #content {
    width: 90%;
    position: relative;
    padding-bottom: 35px;
  }
  #langue {
    position: absolute;
    bottom: 0;
    margin: 0;
    right: 0;
  }
}
@media screen and (max-width: 650px) {
  .img_accueil_bleu, .img_accueil_fond {
    max-width: 90%;
  }
  #all:before {
    height: 80px;
  }
  #header {
    height: 80px;
    padding-left: 130px;
  }
  #head_left {
    background: none;
    height: 100%;
  }
  #head_left .head_left_a {
    height: 100%;
    display: block;
  }
  #head_left .head_left_a img {
    height: 100%;
  }
  #head_right {
    height: 100%;
    -webkit-background-size: 80%;
    -moz-background-size: 80%;
    -o-background-size: 80%;
    background-size: 80%;
  }
  .logo_menu_top {
    top: 55px;
    padding-top: 3px;
    padding-bottom: 0;
    font-size: 16px;
    text-transform: uppercase;
  }
  .logo_menu_top .in_menu {
    height: 15px;
  }
  .logo_menu_top .in_menu:before, .logo_menu_top .in_menu:after {
    height: 3px;
    top: 3px;
  }
  .logo_menu_top .in_menu:after {
    top: initial;
    bottom: 3px;
  }
  .le_menu_open {
    padding-top: 100px;
  }
}
@media screen and (max-width: 450px) {
  h2, #content p, #content ul li {
    text-align: center;
  }
  #content p {
    max-width: 90%;
    font-size: 14px;
    margin: auto;
  }
  #content ul li {
    list-style-type: none !important;
    font-size: 14px;
  }
  #content .bloc_images {
    float: none !important;
    margin: auto !important;
    display: block;
    width: 150px;
    margin-bottom: 20px !important;
  }
  .content_selection ul,
  .content_rapport ul {
    padding: 0 !important;
    margin: 0 !important;
    text-align: center !important;
  }
  .exemple_projets h3 {
    width: 90%;
    text-align: center;
    left: 5%;
  }
  .exemple_projets p strong {
    width: auto;
    font-size: 14px;
  }
  .form_contact {
    width: 90%;
    margin: auto;
  }
  .formulaire {
      margin-left: 0;
  }
  .formulaire .align_left {
    width: 70%;
  }
  .formulaire .input_right {
    height: 28%;
  }
}