#pagetitle{
    display: block;
    margin: auto;
    width: 100%;
      height:150px
    color:rgb(255, 255, 255);
    }
    #setumei{
        width: 80%;
      margin:10px auto;
    }

    p{
    line-height: 1.5;
    font-size: 13px;
    }

    .GameContents{
        margin:20px auto;
        position:relative;
       width: 80%;
    }
    #GameContents{
       border-width: 2px;
        border-color: gray;
        border-style: solid;
        padding: 2px;
    }
    img.GameContents {
        width: 100%;
        height: 200px;
       margin: 0 0 15px;
    }
p.GameContents {
margin: 5px auto;
}
a{
margin: 15px 70px;
}

iframe{
width: 100%;
height: 450px;
margin: 10px 0;
}