css
body {
  background-color: #333;
}

.title {
  color: #FF0000;
  font-size: 36px;
  font-weight: bold;
  border-bottom: 4px solid #000;
}

.tagline {
  color: #0F0;
  font-size: 24px;
  font-weight: bold;
  text-align: center;
}

.container {
  margin-top: 20px;
  padding: 10px;
  border: 2px solid #000;
}

.panel {
  background-color: #FFF;
  padding: 10px;
  border: 4px solid #000;
  margin: 10px;
}

.panel-title {
  color: #0F0;
  font-size: 24px;
  font-weight: bold;
  text-align: center;
}