body {
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #ff9a9e 0%, #fad0c4 100%);
    color: #444;
    overflow-x: hidden;
}

.container {
    display: flex;
    justify-content: space-around;
    align-items: center;
    height: 100vh;
    padding: 20px;
    flex-wrap: wrap;
    background-color: rgba(255, 255, 255, 0.7);
    border-radius: 15px;
    margin: 20px;
    box-sizing: border-box;
    position: relative;
    overflow: visible;
}

.left {
    max-width: 450px;
    background-color: #fff0f5;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.1);
    z-index: 2;
}

.style {
    font-size: 22px;
    margin: 10px 0;
    color: #d63384;
}

.image-container {
    text-align: center;
    position: relative;
    z-index: 2;
}

.birthday-img {
    width: 320px;
    max-width: 100%;
    border-radius: 20px;
    box-shadow: 0 8px 20px rgba(214, 51, 132, 0.4);
}

canvas#canvas {
    position: absolute;
    top: 0;
    left: 0;
    pointer-events: none;
    z-index: 1;
}