body {
    font-family: 'Georgia', serif;
    line-height: 1.6;
    margin: 0 auto;
    max-width: 800px;
    padding: 20px;
    color: #333;
    background-color: #f8f8f8;
}

header, nav, main, footer {
    margin-bottom: 2rem;
}

nav {
    border-bottom: 1px solid #ccc;
    padding-bottom: 1rem;
}

nav a {
    margin-right: 15px;
}

article {
    background: white;
    padding: 2rem;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    margin-bottom: 2rem;
}

/* Style for inline MathML */
math[display="inline"] {
  font-style: italic;
}

/* Style for block MathML */
math[display="block"] {
  display: block;
  margin: 1.5em 0;
  text-align: center;
}