.footer{padding-top:0;background-color:#6f6969;padding:20px;text-align:center}.footer,.header{margin-top:0;color:#fff;height:10%}.header{padding:2%;vertical-align:middle;text-align:left;background-color:#403d3d}body,html{width:100%;height:100%}#app,body,html{margin:0;padding:0;display:flex}#app{flex:1;text-align:center;color:#2c3e50;flex-direction:column}.content{flex:1;display:flex;justify-content:center;align-items:center}