.__SAF_layer {
   background-color: #ffffff;
   width: 100%; height: 100%;
   position: fixed;
   left: 0px;
   top: 0px;
   z-index: 10;
   opacity: 0.5;
}
.__SAF_box {
   border: 2px solid red;
   background-color: #ffffff;
   position: fixed;
   top: 50%;
   left: 50%;
   height: 400px;
   margin-top: -200px;
   margin-left: -300px;
   width: 600px;
   border-radius: 16px;
   -moz-border-radius: 16px;
   -webkit-border-radius: 16px;
   z-index: 11;
}