body {
font-family: メイリオ,"MS Pゴシック","ヒラギノ角ゴ Pro W3",Osaka,sans-serif;
text-align: center;
font-size: 90%;
line-height: 130%;
background-image: url(002.jpg);
}
.bb {
width: 800px;
border: 5px solid #ffcc00;
height: auto;
margin: auto;
background-color: #ffffff;
padding: 5px;
}

.sa1 {
width: 400px;
height: 50px;
background: #ff0000;
margin: 0 auto 1em;
padding:5px;
}

.sa2{
width: 70%;
height: 50%;
background: #0000ff;
margin: 0 auto 1em;
padding: 5px;
}

.sa3 {
width: auto;
height: auto;
background: #008000;
margin: 0 auto 1em;
padding: 5px;
}

.ko {
width: 320px;
height: auto;
background: #ffffff;
margin: 1em auto 1em
};