.btn{margin:20px 10px;padding:10px;width:200px;border:1px solid #e16060;border-radius:8px;cursor:pointer}.btn:hover{border:1px solid #ef8383;background-color:#f1f2f4;font-weight:700}#app{font-family:Avenir,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-align:center;color:#2c3e50}body{margin:0;padding:0;height:100vh}#main{padding:10px}.title{font-weight:700}