#app{font-family:Avenir,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-align:center;color:#2c3e50;margin-top:70px;height:100%}#app>.header{height:70px}#app>.content{position:absolute;top:42px;bottom:0;overflow:hidden;display:-webkit-box;display:-ms-flexbox;display:flex;width:100%;background-color:#f3f1f1}