i.material-icon{font-family:Material Design Icons;font-style:normal;width:1em;height:1em}i.material-icon.ml{margin-left:4px}i.material-icon.mr{margin-right:4px}i.material-icon.btn{font-size:24px;padding:8px;border-radius:50%;transition:background-color .3s;cursor:pointer;-webkit-tap-highlight-color:transparent}i.material-icon.btn:hover{background-color:#efefef}i.material-icon.btn:active{background-color:#c8c8c8}body{font-family:Avenir,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;color:#2c3e50;padding:0;margin:0}*{box-sizing:border-box}