main{max-width:1180px;margin:auto}#books{display:grid;gap:10px;margin:20px 0}#books>br{display:none}#books label{display:flex;align-items:center;gap:14px;padding:16px;border:1px solid #cbded4;border-radius:12px;background:#fff}#books input[type=checkbox]{width:22px;height:22px;flex:0 0 22px;margin:0;accent-color:#087766}#books label:has(input:disabled){color:#6d7b76;background:#edf1ee}#history section,#review{margin:20px 0;padding:20px;border:1px solid #cbded4;border-radius:14px;background:white}#history h3{color:#087766}#students button{margin:10px 8px 10px 0}#review button{margin-right:12px}#notice{color:#135b4a;font-weight:600}