h1{text-align:center;color:#fff}.row{margin-top:50px}h4{color:grey;text-align:center}p{color:red;text-align:center;font-size:50px}.btn{width:100%;height:100%}#yesbtn{color:#fff;background-color:green}#nobtn{background-color:#850000}#buttonsrow{margin-left:25px;margin-right:25px}