.body_bg {
  background: url(https://www.iwanpa.com/~x1/style/wxstyle/release/pc/v1/img/topic/yyhd/yyhd_4_2018/bg.jpg) #350f98 no-repeat center 0; }

.body_content {
  width: 1200px;
  margin: 0 auto;
  position: relative;
  color: #e4e0fb;
  font-size: 16px;
  background-color: #350f98;
  padding-bottom: 50px; }

.timer {
  position: absolute;
  top: 310px;
  left: 0;
  width: 100%;
  text-align: center;
  color: #e4e0fb;
  font-size: 24px;
  font-weight: bold; }

.lottery_btn {
  background: url(https://www.iwanpa.com/~x1/style/wxstyle/release/pc/v1/img/topic/yyhd/yyhd_4_2018/btn.png) no-repeat 0 0;
  height: 57px;
  line-height: 40px;
  width: 172px;
  text-align: center;
  position: absolute;
  top: 550px;
  left: 50%;
  margin-left: -70px;
  cursor: pointer;
  font-size: 20px;
  color: #633bc7; }

.tips {
  position: absolute;
  top: 650px;
  width: 80%;
  left: 50%;
  margin-left: -40%;
  line-height: 28px;
  padding-bottom: 50px; }
  .tips h2 {
    margin-bottom: 20px; }

footer {
  text-align: center; }