@charset "utf-8";

.tac{
  text-align:center;
}
.tar{
  text-align:right;
}
.clear{
  clear:both;
}

.bold{
  font-weight:bold;
}

.mt10{
  margin-top:10px;
}
.mt20{
  margin-top:20px;
}

.mb10{
  margin-bottom:10px;
}
.mb20{
  margin-bottom:20px;
}