downStyle.css

html, body {
  padding: 0;
  margin: 0;
}

#planetarium-div {
  position: absolute;
  top: 0px;
  left: 0px;
  width: 100%;
  height: 100%;
  z-index: 0;
  margin: 0;
}

#wwd-div {
  position: absolute;
  top: 0px;
  left: 0px;
  height: 100%;
  width: 100%;
  z-index: 1;
}

#wwd-canvas {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0%;
  left: 0%;
  background-color: black;
  background-image: url("static/background.jpg");
}

#intro-msg {
  font-size: 25px;
  font-weight: 800;
  color: white;
  font-family: "Roboto";
  z-index: 3;
  position: absolute;
  margin-left: auto;
  margin-right: auto;
  left: 0;
  right: 0;
  text-align: center;
}

#memo {
  position: absolute;
  right: 3%;
  top: 3%;
  z-index: 0;
  font-family: "Roboto";
  color: white;
  border: 1px solid white;
  border-radius: 5%;
  display: flex;
  flex-flow: row wrap;
  padding: 0.5em;
  width: 20%
}

#red-part, #green-part{
  flex: 1 1 100%;
  display: flex;
  align-items: center;
}

#red-part > p, #green-part > p {
  margin: 0;
  padding: 0.25em 0 0.25em 0.25em;
}

#red, #green {
  min-width: 0.5em;
  min-height: 0.5em;
  border-radius: 50%;
}

#red {
  background-color: rgb(201,0,0);
}

#green {
  background-color: green;
}

body {
  background-color: black;
}

/* The Modal (background) */
.modal {
  display: none; /* Hidden by default */
  position: fixed; /* Stay in place */
  z-index: 100; /* Sit on top */
  padding-top: 100px; /* Location of the box */
  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 */
.modal-content {
  background-color: #fefefe;
  margin: auto;
  padding: 20px;
  border: 1px solid #888;
  width: 80%;
}

/* The Close Button */
.close {
  color: #aaaaaa;
  float: right;
  font-size: 28px;
  font-weight: bold;
}

.close:hover,
.close:focus {
  color: #000;
  text-decoration: none;
  cursor: pointer;
}