body{margin:0;padding:0;box-sizing:border-box;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif,Apple Color Emoji,Segoe UI Emoji,Segoe UI Symbol}a{color:inherit;text-decoration:none}h1,h2,h3,h4,h5,h6{margin:0}ul{list-style:none;padding:0}button{cursor:pointer}