body {
  background-color: #f9f9f9;
  font-family: 'Segoe UI', sans-serif;
}

h3, h4 {
  color: #2c3e50;
}

ul {
  list-style: square;
  padding-left: 20px;
}

footer {
  font-size: 0.9rem;
  background: linear-gradient(45deg, #2c3e50, #34495e);
}

img.rounded-circle {
  border: 4px solid #2c3e50;
}