.btn {
  float: left;
  width: 91px;
  height: 29px;
  background: url('licai_sprites.png') no-repeat;
  color: #fff;
  text-align: center;
  line-height: 29px;
  font-weight: bold;
  letter-spacing: 4px;
  font-size: 14px;
}
#btnCalc{color:#fff;margin-top:10px;margin-bottom:20px;}
#rst {margin-top:10px;margin-bottom:20px;
  float: left;
  width: 91px;
  height: 29px;
  margin-left: 20px;
  background: url('licai_sprites.png') no-repeat -215px 0;
  color: #fff;
  text-align: center;
  line-height: 29px;
  font-weight: bold;
  letter-spacing: 4px;
  font-size: 14px
}
.label{height:30px;padding-right:10px;}
.ipt-txt{padding:5px;margin-right:10px;}