.hf-warning{background:linear-gradient(to bottom,rgba(255,255,255,.9),rgba(255,255,255,.75));border:1px solid rgba(0,0,0,.2);border-radius:1px;box-shadow:0 12px 10px -10px rgba(0,0,0,.5);box-sizing:border-box;max-width:100%;color:#621;font-size:14px;line-height:18px;padding:.25em .5em;pointer-events:none;white-space:pre-line}.hf-warning:empty{display:none}.hf-invalid+.hf-warning{display:none;position:absolute}:invalid+.hf-warning{display:none;position:absolute}.hf-invalid:focus+.hf-warning:not(:empty){display:block}:invalid:focus+.hf-warning:not(:empty){display:block}