body {
    background-color: #f8f9fa;
}

.canvas-container {
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: #e9ecef;
    border-radius: 8px;
    padding: 10px;
    height: 520px;
}

#avatarCanvas {
    max-width: 100%;
    height: auto;
    border-radius: 4px;
    background-color: #fff;
}

.btn-outline-secondary {
    margin: 0 5px;
}

.card {
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}