:root{--color-button-primary:#4a90d9}*,::after,::before{-webkit-box-sizing:border-box;box-sizing:border-box}body{margin:0;font-family:system-ui,sans-serif}.button,button{background:var(--color-button-primary);border:0;border-radius:4px;color:#fff;padding:.5rem 1rem}