.ce-lessons{margin:24px 0;padding:28px;background:#fff;border:1px solid #dbe5e3;border-radius:24px}.ce-lesson{margin-top:12px;border:1px solid #dbe5e3;border-radius:14px;padding:16px 20px}.ce-lesson summary{font-weight:750;cursor:pointer;color:#173b50}.ce-lesson p{max-width:78ch;line-height:1.65}.ce-plot{background:white;border:1px solid #dbe5e3;padding:14px;border-radius:16px;margin:16px 0}.ce-plot svg{width:100%;height:auto;display:block;touch-action:manipulation}.ce-plot button{margin:4px}.ce-plot-note{font-size:.9rem;color:#456278}.unit-task{white-space:pre-line}.unit-question-nav{flex-wrap:wrap}