.header-img {
  width: 60%;
  height: 250px;
  background: url('/tumblr_a0a160d455f5576ceb1499fe8b1b2eb4_f795b619_640.jpg');
  background-size: cover;
  margin-left: auto;
  margin-right: auto;
}

.collapsible {
  background-color: #777;
  color: white;
  cursor: pointer;
  padding: 9px;
  width: 100%;
  border: none;
  text-align: left;
  outline: none;
  font-size: 15px;
  
}

.active, .collapsible:hover {
  background-color: #555;
}

.collapsible:after {
  content: '\002B';
  color: white;
  font-weight: bold;
  float: right;
  margin-left: 5px;
}

.active:after {
  content: "\2212";
}

.content {
  padding: 0 18px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.2s ease-out;
  background-color: #8A8A8A;
}

body {
  background-color: black;
  color: white;
  font-family: 'Rock Salt', cursive;
  font-family: 'Cutive Mono', monospace;
  padding: 100px;
}