.block{width:400px;border-radius:20px;background:#0faf87;color:#fff;padding:100px 0;margin:40px auto}#app,.block{text-align:center}#app{font-family:Avenir,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;color:#2c3e50;margin-top:60px}