*,:before,:after{box-sizing:border-box}html,body{height:100%;margin:0}body{color:#111827;-webkit-tap-highlight-color:transparent;touch-action:manipulation;background:#f3f4f6;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;font-size:18px;line-height:1.4}button,input,select,textarea{font:inherit}