h1{color:var(--primary-color);margin-bottom:10px;font-size:2.2rem}.history h2{margin-bottom:15px;color:var(--primary-color)}.history-item{background-color:white;padding:15px;border-radius:var(--border-radius);box-shadow:var(--box-shadow);margin-bottom:10px;display:flex;justify-content:space-between;align-items:center}.history-item button{background-color:var(--accent-color);color:white;border:none;border-radius:4px;padding:5px 10px;cursor:pointer}@media (max-width:768px){h1{font-size:1.8rem}}@media (max-width:480px){h1{font-size:1.5rem}}