table{border:2px solid #000}table tr:nth-child(odd){background-color:#87cefa}h2{margin:2ex}table{border:2px solid blue}table tr{background-color:#add8e6}table tr :first-child,table tr :last-child{color:#000}table tr:nth-child(odd){background-color:#add8e6}table tr:nth-child(2n){background-color:#fff}#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}body{background-color:#d3d3d3}