*,*::before,*::after{box-sizing:border-box}html{scroll-behavior:smooth}body,h1,h2,h3,p,ul{margin:0}img{display:block;max-width:100%;height:auto}button,input,textarea{font:inherit}a{color:inherit;text-decoration:none}button,summary,a{-webkit-tap-highlight-color:transparent}ul{padding:0;list-style:none}button{cursor:pointer}