body {
  font-family: 'Roboto', sans-serif;
  background-color: #f4f4f4;
  color: #333;
  margin: 0;
  padding: 0;
  line-height: 1.6;
}

.container {
  max-width: 800px;
  margin: 2em auto;
  padding: 20px;
  background-color: #fff;
  box-shadow: 0px 0px 10px rgba(0,0,0,0.1);
}

.header {
  text-align: center;
  margin-bottom: 20px;
}

.header h1 {
  margin: 0;
  font-size: 2.5rem;
  color: #0174BC;
}

.section {
  margin-bottom: 20px;
}

.section h2 {
  font-size: 1.5rem;
  color: #333;
  margin-bottom: 10px;
}

.section p,
.section li {
  color: #555;
}

h1 {
  text-align: center;
  font-size: 2em;
  font-weight: 500;
  color: #0174bc;
}

h2 {
  font-weight: 500;
  margin-top: 20px;
  font-size: 1.2em;
}

a {
  color: #0645ad;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

pre {
  background-color: #f0f0f0;
  padding: 1em;
  overflow-x: auto;
  border-left: 4px solid #ccc;
}

.cta {
  text-align: center;
}

.cta a {
  background-color: #0174BC;
  color: #fff;
  padding: 10px 20px;
  text-decoration: none;
  border-radius: 5px;
}

.cta a:hover {
  background-color: #005a8f;
}

.footer {
  text-align: center;
  margin-top: 30px;
  font-size: 0.9em;
  color: #777;
}

/* Morse Code table styles */
.morse-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1em;
  font-size: 1.05em;
}

.morse-table th,
.morse-table td {
  border: 1px solid #ccc;
  padding: 8px;
}

.morse-table thead tr {
  background: #f0f7fa;
}