h1,h2,h3,h4,h5,h6,p{color:#fff}a{color:red}*,:before,:after{box-sizing:border-box}html{background-color:#000;font-family:sans-serif}h1,h2,p{color:#fff}.container{max-width:60rem;margin:0 auto;padding:1rem}section{margin:4rem 0}.field{height:200px;display:flex}.field button{cursor:pointer;color:#fff;border:none;flex-grow:1;font-size:2rem;font-weight:700;transition:flex-grow .3s}#btn-red{background:#e24b4a}#btn-blue{background:#378add}