*,:before,:after{box-sizing:border-box}html{font-size:20px;line-height:1.5;font-family:ui-sans-serif,sans-serif;-webkit-text-size-adjust:100%}body{width:36rem;max-width:90%;margin:0 auto}h1{margin:1rem 0}aside{overflow-y:hidden;margin:1em 0;background-color:#f5f5f5;padding:0 1em}a{color:initial}a:hover{text-decoration:none}