#speedmarioArea {
    width: 520px;
    margin: 0 auto;
    padding: 20px;
    background: url(../img/top/speedmario4.png) 0 0 no-repeat;
    position: relative;
}
#speedmarioArea h1 {
    margin-bottom: 20px;
    text-align: center;
}
#speedmarioArea h1:first-child + p {
    margin-bottom: 20px;
}
#speedmarioArea h1:first-child + p + p {
    margin-bottom: 24px;
}
#speedmarioArea #mv {
    width: 520px;
    height: 291px;
    margin: 0 auto 30px;
    position: relative;
}
#speedmarioArea #mv iframe {
    position: absolute;
    top: 0;
    left: 0;
    z-index: 10;
}
#speedmarioArea #mv + p {
    margin-bottom: 20px;
}