#modal_background {
    display: none; /* Hidden by default */
    position: fixed; /* Stay in place */
    z-index: 1; /* Sit on top */
    left: 0;
    top: 0;
    width: 100%; /* Full width */
    height: 100%; /* Full height */
    overflow: auto; /* Enable scroll if needed */
    background-color: rgb(0,0,0); /* Fallback color */
    background-color: rgba(0,0,0,0.4); /* Black w/ opacity */
}
/* Modal Content/Box */
#chg_pwd_form {
	margin: 20% auto;
  border: 1px solid red;
  width: 500px; /* Could be more or less, depending on screen size */
  background-color: lightblue;
}

/* The Close Button */
#close_button {
  color: #aaa;
  float: right;
  font-size: 15px;
  font-weight: bold;
}

#close_button:hover,
#close_button:focus {
    color: black;
    text-decoration: none;
    cursor: pointer;
}