#canvas {
    width: 100%;
    height: 100vh;
    border: 1px solid #ccc;
    position: relative;
}

.text-box, .image, .file {
    position: absolute;
    border: 1px solid #000;
    padding: 5px;
    cursor: move;
    resize: both;
    overflow: auto;
}

.text-box {
    background-color: #fff;
}

.image, .file {
    background-size: cover;
}

.label {
    position: absolute;
    background-color: rgba(255, 255, 255, 0.8);
    width: 100%;
    text-align: center;
    bottom: -20px;
    font-size: 12px;
}

.context-menu {
    display: none;
    position: absolute;
    background-color: white;
    border: 1px solid #ccc;
    z-index: 1000;
}

.context-menu-item {
    padding: 5px 10px;
    cursor: pointer;
}

.context-menu-item:hover {
    background-color: #f0f0f0;
}