#app{font-family:Avenir,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-align:center;color:#2c3e50}.header{background-color:#42b983;color:#fff;margin-bottom:30px}#nav,.header{padding:30px}#nav a{font-weight:700;color:#2c3e50}#nav a.router-link-exact-active{color:#42b983}.interactivite{padding:20px}.highlight{text-align:left;background-color:#e1e1e1}.header2{color:#fff;background-color:#000}.header2 h2{font-size:70px!important}.question{margin:0 0 40px 0}