body {
margin:0px;
padding:0px;
font-family:sans-serif, arial, 'hiragino kaku gothic pro', ;
color:#333333;
}

a:link {
color:#000080;
}

a:visited {
color:#cd5638;
}

a:hover {
color:#399548;
}

.shadow {
box-shadow: 0 0 8px gray;
}


ul {
list-style-type: none;
margin:0px;
padding:0px;
}

ul li {
display: inline;
margin:20px;
}

#lesson {

width:600px;
background-color:#ffffff;
margin:auto;
border-top-left-radius:30px;
border-top-right-radius:30px;
border-bottom-left-radius:30px;
border-bottom-right-radius:30px;

}

h2 {
font-size:18px;
color:#000080;

}