body{background-color:aqua}
.a{color:white}
.ysd{color: #ffffff; background-color:blue ;text-align:center;font-weight:900;font-family:Arial Black;margin:0} 
.jys{color: #ffffff; background-color:blue ;text-align:center;font-weight:900;font-family:DFPPOP‘Ì;margin:0}
.sbt{text-align:center;font-weight:bold;background-color:#00cccc;margin:0}
.btn{background-color:green;width:8em;hight:20em;
     text-align:center;font-weight:bolder;border:1em outset #9999ff;
     line-height:2em;color:white}
.upd{text-align:right;font-weight:bold;margin:0}
.lft{background-color:#339900;width:10em;text-align:center;margin:0}
.add{color:#ff00cc;text-align:right;font-weight:bold;background-color:#00cccc;margin:0}
.jpn{color:blue}
.cnt{background-color:#00cccc;text-align:center;margin:0}
.sc1{text-align:center}
.sc{text-align:center;color:#0000cc}
.cot{background-color:black;color:#0099cc;padding-left:5%;padding-right:5%;padding-top:1em}
ul{list-style-type:none;margin-top:0%;margin-bottom:0%;text-indent:1em}
strong{color:red;font-size:24}
.inf{background-color:blue;color:white;margin:0%;padding:1%;text-align:center}
.men{background-color:#339900;width:26em}
.mds{margin-bottom:0%;font-weight:bold;text-indent:20%}
.bac{background-color:#ffff99}