#demo-toast{position:fixed;left:50%;bottom:32px;transform:translateX(-50%) translateY(8px);
background:rgba(20,20,20,.92);color:#fff;padding:12px 22px;border-radius:8px;font-size:14px;
line-height:1.5;z-index:2147483000;opacity:0;pointer-events:none;max-width:90vw;text-align:center;
box-shadow:0 4px 16px rgba(0,0,0,.25);transition:opacity .25s ease,transform .25s ease}
#demo-toast.is-visible{opacity:1;transform:translateX(-50%) translateY(0)}