.menu{position:fixed;left:0;top:0;padding:20px;background-color:#f0f0f0;width:150px;height:100%;overflow-y:auto}.menu button{display:block;width:100%;margin-bottom:10px;padding:10px;background-color:#007bff;color:#fff;border:none;border-radius:5px;cursor:pointer;text-align:left}.menu button:hover{background-color:#0056b3}.boleta-container{position:relative;margin-left:170px;padding:20px;margin-top:50px;max-width:100%;box-sizing:border-box}.zoom-container{overflow:hidden;width:100%;max-width:800px;border:1px solid #ccc;box-sizing:border-box}.boleta-image{width:100%;height:auto}.highlight{position:absolute;opacity:1;border:2px solid #ff0;background-color:rgba(255,0,0,.3)}@media (max-width:768px){.menu{position:static;width:100%;height:auto;display:flex;flex-wrap:wrap;justify-content:space-around}.boleta-container{margin-left:0;margin-top:20px}}@media (max-width:480px){.menu button{font-size:12px;padding:8px}.boleta-container{padding:10px}}