header{
  border: 1px solid;
}
body {
  width: 100%;
  margin: auto;
  text-align: center;
}

@media (min-width: 1367px) {
  body{
    width: 80%;
  }
}
#screen_container {
  position: sticky;
  top: 0;
  left: 0;
  text-align: left;
/*  overflow: none;*/
  width:640px;
  height:480px; 
  /*	background:black; */
  background-image: url("/loading.jpg");
  background-size: contain;
  background-repeat: no-repeat;
}

#screen_placeholder{

  width:640px;
  height:480px; 
}
#screen_container:fullscreen {
  margin-right: 0;
  margin-bottom: 0;
  display: flex;
  justify-content: center;
  width: fit-content;
}

#screen_container:fullscreen #vga {
  width: auto !important;
  height: 100% !important;
}

#bloc {
  display:flex;
  border: 1px solid;
}

#consignes{
  flex: 1;
  text-align: left;
  padding-left: 10px;
  border: 1px solid;
}