div{margin:10px}button{width:150px;height:30px}ul li{list-style-type:none}.container{max-height:300px;overflow:auto;margin-bottom:20px}img{border-radius:50%}#app{font-family:Avenir,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-align:center;color:#2c3e50;margin-top:60px}