body{box-sizing:border-box;display:flex;flex-direction:column;align-items:center;justify-content:center;font-family:Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-align:center;color:#2c3e50;margin:0;padding:50px;height:100vh}