.register {
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 5;
}
.wxParse-p image{
  display:block;
 max-width:100%!important;
}