html, body {
  margin:0;
  padding: 0; 
  width: 100%;
  height: 100%;
  font-family: Arial, Helvetica, Verdana, sans-serif; 
}


#snav a,
#snav a:link,
#snav a:visited { 
  display: block;
  color: #4A5B62; 
  text-decoration: none;
}

.sub_pre { 
  position: absolute; 
  width: 20px; 
  height: 20px; 
}

.level_2 .sub_pre {
  margin-top: 5px;
  background: url(media/presign_sub.png) no-repeat;
}

.level_3 .sub_pre {
  display: none;
}


.level_2 a {  padding: 5px 0px 5px 20px;  font-weight: bold; font-size: 13px; }
.level_3 a {  padding: 3px 0px 3px 20px; font-size: 12px;}
.level_4 a {  padding: 3px 0px 3px 30px; font-size: 12px;}
.level_5 a {  padding: 3px 0px 3px 40px; font-size: 12px;}


 
#mnav a,
#mnav a:link,
#mnav a:visited  { 
  color: #000; 
  font-weight: bold;
  text-decoration: none;
}