#myfilter {
  position: absolute;
  background-color: rgb(0, 0, 0);
  opacity: 0.3;
  width: 322px;
  height: 182px;
  display: block;
}

#myrestartbutton {
  position: absolute;
  padding-top: 75px;
  padding-left: 120px;
  display: block;
}

#overlay {
  position: fixed; /* Sit on top of the page content */
  display: none; /* Hidden by default */
  width: 100%; /* Full width (cover the whole page) */
  height: 100%; /* Full height (cover the whole page) */
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0,0,0,0.5); /* Black background with opacity */
  z-index: 2; /* Specify a stack order in case you're using a different order for other elements */
  cursor: pointer; /* Add a pointer on hover */
}

#bouton {
  position: absolute;
  left: 50%;
  margin-left: -75px;
  top: 50%;
  margin-top: -38px;
  padding: 10px;
  font-size: 30px;
}