body{margin:0;background:#eef4f1;color:#203029}.practice-app{width:min(720px,calc(100% - 40px));margin:auto;padding:64px 0}form{display:flex;gap:10px}label{display:grid;flex:1;gap:6px}input{padding:12px;border:1px solid #aebdb5;border-radius:9px}button{padding:10px 14px;border:0;border-radius:9px;background:#0c7656;color:white}.task-list{display:grid;gap:10px;padding:0;list-style:none}.task-item{display:flex;align-items:center;gap:10px;padding:14px;border:1px solid #bdc9c2;border-radius:12px;background:white}.task-item span{flex:1}.task-item--done span{text-decoration:line-through;color:#68756f}