html{font-size:16pt;font-family:sans-serif;}a{text-decoration:none;}
red{color:#f00}
hint{font-size:9pt}
.layer{position:absolute;display:table;top:0;left:0;width:100%;height:100%}
.layer .layer_inner{display:table-cell;text-align:center;vertical-align:middle}
.layer .content{display:inline-block;background:none;}
.layer .content{width:90%;margin:auto;padding:2.5% 0;}