body {
    background-color: #eee;
}
#main{
    margin: 10px auto;
    padding: 10px;
    display: block;
    background-color: #fff;
    border: 2px solid #ddd;
    width: 700px;
    }
#menu a {
    background-color: #ddd;
    font-size: 90%;
    padding: 5px;
    border-bottom: 1px solid #bbb;
    border-left: 1px solid #bbb;
    }
h1 {
    text-align: right;
    }

h2 {
    text-align: center;
    padding: 0px;
    margin: 0px;
    }

div {
    border-top: 2px solid #88f;
    }
#linkyunnan {
    margin-top: 10px;
    }