:root{--orange:#f47f50;--rust:#9f3424;--cream:#fff9ed;--peach:#fce0d3;--gray:#ecebed;--ink:#282726;--accent:#c14f28;--tint:#fff1e9;--line:#ddd6d0}body{background:#f6f1e9}.masthead{background:var(--cream);border-right:18px solid var(--orange)}.brand{background:var(--orange)}.subject strong{color:#e96638;font-size:23px}.subject span{color:var(--rust)}.grade{color:var(--rust)}.grade .squares{color:var(--rust)}.masthead:after{background:var(--rust)}#sections button.active{background:var(--peach);border-bottom-color:var(--rust);color:#843c26}.start-button{background:var(--rust);border-color:var(--rust)}.scene-nav .page-arrow{background:var(--orange)}.scene-nav .page-arrow:hover{background:#dd6c3e}.feedback{background:#fff4ed;border-left-color:var(--accent)}.source-image{border:0!important}.learn-card{border-top-color:var(--accent)}button{border-color:#ad472a}@media(max-width:560px){.subject{right:8px;top:12px}.subject strong{font-size:15px;max-width:250px}.subject span{font-size:11px}.brand img{width:84px;left:96px;top:112px}.grade{font-size:12px;right:8px;bottom:4px}}