html,body {
  height: 100%;
  width: 100%;
}
#content_bg{
  position: relative;;
  top: 0;
  left: 0;
  width:100%;
  height:100%;
  background-color: #fff;
  background: url('../images/question_7yue_bg_png@2x.png') no-repeat center top;
  background-size: 100% 100%;
  -webkit-background-size: 100% 100%;
  background-position: center 0;
}
#content_bg .fill_write{
  position: absolute;
  bottom:.72rem;
  left: 50%;
  transform: translateX(-50%);
  height: .88rem;
  width: 6.86rem;
  background-color: #F38F62;
  color:#fff;
  font-size: .36rem;
  font-weight: 500;
}
.mouth_title{
  position: absolute;
  height: 1.2rem;
  width: 2.2rem;
  top: .38rem;
  right: 1.4rem;
  color: #fff;
  text-align: center;
  line-height: 1.2rem;
  font-size: .8rem;
  font-family:zcoolwenyiti;
}
.mouth_title span {

}