.light {
  width: 763px;
  height: 653px;
  padding: 48px 50px 60px 50px;
  box-sizing: border-box;
}
.light .gift_div {
  width: 100%;
  height: 100%;
  position: relative;
  box-sizing: border-box;
}
.gift_div>div {
  position: absolute;
  width: 210px;
  height: 173px;
  z-index: 1;
}
.gift2,
.gift6,
.start{
  left: 224px;
}
.gift3,
.gift4,
.gift5{
  right: 0;
}
.gift4,
.gift8,
.start{
  top: 185px;
}
.gift5,
.gift6,
.gift7{
  bottom: 0;
}
.gift_div .start{
  background: url(../images/prize_btn.png) no-repeat center;
  background-size:257px 190px;
  cursor: pointer;
}
.red{
  color: red;
}
.num{
  text-align: center;
  font-size: .32rem;
  line-height: .6rem;
  background: #E6EFEC;
  border-radius: .6rem;
}
.gift_b:after{
  position: absolute;
  width: 100%;
  height: 100%;
  background: rgba(121,82,198,.6);
  content: '';
  left: 0;
  border-radius: 18px;
  z-index: -1;
}