.slide-parameter{
  background: url('../../images/Product/q915b_rqz/common_bg.jpg') no-repeat;
  background-size: 100% 100%; 
}
.slide-parameter table{
  width: 915px;
  font-size: 22px;
  color: #3e3a39;
  border: 2px solid #A7A5A5;
  text-align: center;
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  margin: auto;
}
.slide-parameter table th{
  font-size: 28px;
  text-align: center;
}
.slide-parameter table tr{
  height: 55px;
  line-height: 55px;
}
.slide-parameter table tr td{
  border: 1px solid #A7A5A5;
}