.wb-toast{
  position:fixed;left:50%;top:22%;transform:translate(-50%,-6px);
  background:rgba(24,32,48,.92);color:#fff;padding:10px 18px;border-radius:8px;font-size:14px;
  z-index:9999;opacity:0;transition:.22s;max-width:80vw;text-align:center;line-height:1.5;
}
.wb-toast.show{opacity:1;transform:translate(-50%,0)}
.wb-toast-ok{background:rgba(24,160,88,.94)}
.wb-toast-err{background:rgba(229,69,69,.94)}