*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;scroll-behavior:smooth;transition:background-color .3s ease,color .3s ease}html,body{height:100%;margin:0}body.light-theme{background-color:#fff;color:#000}body.dark-theme{background-color:#0d0d0d;color:#fff}