*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{font-size:100%}body{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;color:#333;background-color:#fff;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif}a{color:#0073bb}button{font-weight:600}h1{margin-bottom:1.4rem;font-size:1.4rem}h2{margin-bottom:.5rem;font-size:1.2rem}@keyframes spin{to{transform:rotate(360deg)}}