*,:before,:after{box-sizing:border-box}body{color:#1a1a2e;background:#f0f2f5;margin:0;font-family:system-ui,Segoe UI,Roboto,sans-serif;font-size:14px}button{cursor:pointer;font-family:inherit}input,select,textarea{font-family:inherit}a{text-decoration:none}h1,h2,h3,h4,p{margin:0}