body {
font-family: verdana, sans-serif;
line-height: 1.6;
max-width: 800px;
margin: 40px auto;
padding: 0 20px;
}
h1 { font-size: 2em; margin-bottom: 0.5em; color: navy;}
h2 { font-size: 1.5em; margin-top: 1.5em;  color: navy;}
strong { font-weight: bold; color:navy;}
ul { margin: 1em 0; }
li { margin: 0.5em 0; }