#search-container{align-items:center;background-color:#f8f9fa;box-shadow:0 2px 5px rgba(0,0,0,.1);display:flex;justify-content:center;padding:15px;position:relative;width:100%;z-index:1000}#search-input{border:1px solid #ced4da;border-radius:4px;font-size:16px;padding:8px;width:50%}button{background-color:#007bff;border:none;border-radius:4px;color:#fff;cursor:pointer;font-size:16px;margin-left:5px;padding:8px 12px}button:hover{background-color:#0056b3}#match-info{color:#6c757d;font-size:14px;margin-left:10px}.highlight{background-color:#ff0}.current-highlight{background-color:orange}.flex-container{margin:0 auto}#back-to-top{background-color:#007bff;border:none;border-radius:4px;bottom:20px;color:#fff;cursor:pointer;display:none;padding:10px 15px;position:fixed;right:20px}#back-to-top:hover{background-color:#0056b3}