.webpagecenter {
  border-radius: 25px;
  margin: auto;
  width: 40%;
  border: 0px solid #000757;
  padding: 0px;
}

.center {
  border-radius: 25px;
  margin: auto;
  width: 95%;
  border: 0px solid #AB9EFF;
  padding: 0px;
}

div.boundary {
  height: 100%;
  padding: 10px;
  margin: 20px;
  }
  
  div.transbox {
    border-radius: 25px;
    border: 5px solid #2773F5;
  background-color: rgba(0, 0, 0, 0.6);
}

.collapsible {
  background-color: #777;
  color: white;
  cursor: pointer;
  padding: 18px;
  width: 100%;
  border: none;
  text-align: left;
  outline: none;
  font-size: 15px;
}

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

.content {
  padding: 0 18px;
  display: none;
  overflow: hidden;
  background-color: #f1f1f1;
}


.topbar {
  text-align: center;
}

.topbar a {
  color: white;
  text-decoration: none;
  font-size: 18px;
  padding: 8px 12px;
  display: inline-block;
  margin: 0 10px;
}

.topbar a:hover {
  color: #2309C8;
}

.topbar a:active {
  color: #f44336;
}