*{margin:0;padding:0;font-style:normal;-webkit-overflow-scrolling:touch}#app{font-family:Avenir,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;color:#2c3e50}.clearfix:after{content:" ";display:block;clear:both;height:0}.clearfix{zoom:1}button{outline:none;border:none}