.bezier{
  border: 2px solid black;
  background-color: black;
}

body{
  text-align: center;
  background-color: #A9A9A9;
}

.check{
  float:left;
  text-align:left;
  position: fixed;
  border-style: solid;
  border-width: 3px;
  border-radius: 5px;
  padding: 6px;
  top: 0;
  left: 0;
}

#popup{
  position: absolute;
  text-align: center;
  top: 40%;
  left: 40%;
  border-style: solid;
  border-width: 3px;
  border-radius: 5px;
  background-color: #D2691E;
  width: 300px;
  overflow: auto;
  
}
#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 */
}