.font-controls {
    position: fixed;
    bottom: 16px;
    right: 16px;
    background: #f0f0f0;
    padding: 10px;
    border-radius: 8px;
    z-index: 9999;
    box-shadow: 0 0 6px rgba(0, 0, 0, 0.3);
}

.font-controls button {
    margin: 0 5px;
    padding: 6px 10px;
    font-size: 16px;
    cursor: pointer;
}