section{max-width:1200px;margin:auto;padding:60px 20px}
.panel{margin-bottom:50px}
.panel h1{font-size:2.3rem;margin-bottom:30px;text-align:center}
.panel h2{font-size:1.6rem;margin-bottom:18px}

@media(max-width:768px){
  section{padding:30px 15px}
  .panel{margin-bottom:30px}
}