*,:before,:after{box-sizing:border-box}html{scroll-behavior:smooth}html,body{margin:0;padding:0}body{color:#111;background:#fff;min-width:320px;font-family:Arial,sans-serif;line-height:1.5}img{max-width:100%;height:auto;display:block}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}h1,h2,h3,h4,p,ul,ol{margin-top:0}ul,ol{padding-left:20px}main{overflow:hidden}