body { background: #eee; }

h1 { color: #000; }

#swan
{
margin-top: 2px;
margin-left: 15%;
margin-right: 15%;
padding: 5px;
background-color: #ccc;
color: #000;
}

#other p
{
margin-top: 10px;
margin-left: 15%;
margin-right: 15%;
padding: 10px;
background-color: #ccc;
color: #000;
}