body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif,"Apple Color Emoji","Segoe UI Emoji",Segoe UI Symbol;background-color:#f4f6f8;color:#333;line-height:1.5}*{box-sizing:border-box}a{color:#007bff;text-decoration:none}a:hover{text-decoration:underline}ul{list-style-type:none;padding:0;margin:0}button{cursor:pointer;font-family:inherit}