.body { background-color:#01b2ff; text-align:center; overflow:hidden;}
#layout {width:100%; height:100%;}
.image_box { width:603px; height:138px; margin:200px auto auto auto; background-image:url(./images/img.gif); background-position:center; background-repeat:no-repeat}
.board_blog { width:200px; height:200px; margin:80px auto auto auto;}