body { font-family: Arial, sans-serif; margin: 0; padding: 0; }
nav { background: #333; padding: 15px; text-align: center; }
nav a { color: white; text-decoration: none; padding: 15px; margin: 0 10px; }
nav a:hover { background: #575757; }
section { padding: 50px; text-align: center; }
img { width: 200px; height: 200px; border-radius: 50%; }
table { width: 50%; margin: 20px auto; border-collapse: collapse; }
table, th, td { border: 1px solid black; padding: 10px; }
ul{
    list-style-type: hiragana;
}