.proper-tail-calls-lesson .source-line,.proper-tail-calls-lesson code{overflow-wrap:anywhere}.proper-tail-calls-lesson .source-line{white-space:pre-wrap}.proper-tail-call-playground-grid{align-items:stretch}.proper-tail-call-input{align-items:end;grid-template-columns:minmax(0,1fr) minmax(0,10rem) auto}.proper-tail-call-input span{grid-column:1/-1}.proper-tail-call-input span,.proper-tail-call-results p{color:var(--cf-color-paper-text-secondary);font-size:var(--cf-font-size-300)}.proper-tail-call-results p{margin:var(--cf-space-100) 0 0}.proper-tail-call-checklist{display:grid;grid-gap:var(--cf-space-150);gap:var(--cf-space-150);margin:var(--cf-space-350) 0;padding:var(--cf-space-350) var(--cf-space-450);border:1px solid var(--cf-color-border);border-radius:var(--cf-radius-300);background:var(--cf-color-surface-raised)}.proper-tail-call-checklist li+li{margin-top:var(--cf-space-100)}@media(max-width:560px){.proper-tail-call-input{grid-template-columns:1fr}}