#app{font-family:Avenir,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-align:center;color:#2c3e50;margin-top:60px}.underline{font-style:italic}.correct{font-weight:700;color:green}.wrong{font-weight:700;color:red}