.tutorial-intro{max-width:960px;margin-bottom:32px}
.tutorial-intro h1{margin-top:20px;margin-bottom:24px}
.tutorial-lead{max-width: sixty;max-width:66ch;color:var(--text-muted);font-size:20px}
.tutorial-step{padding-top:48px;padding-bottom:32px;border-bottom:1px solid var(--border)}
.tutorial-step:last-child{border-bottom:0;padding-bottom:0}
.tutorial-step h2{margin-top:0;margin-bottom:24px}
.tutorial-step .prose{max-width:82ch}
.tutorial-step .btn{margin-top:8px;max-width:100%}
.tutorial-step .callout{max-width:82ch}
.tutorial-step .callout a{color:var(--accent-dark);text-decoration:underline;text-underline-offset:3px}
@media(max-width:640px){
  .tutorial-lead{font-size:var(--size-body)}
  .tutorial-step{padding-top:36px;padding-bottom:24px}
}