.image-adjustment-tool {
    margin: 20px 0;
    text-align: center;
}

#designCanvas {
    border: 2px solid #ccc;
    display: block;
    margin: 10px auto;
    max-width: 100%;
    height: auto !important;
}

.controls button {
    margin: 5px;
    padding: 8px 12px;
    background-color: #2d7ff9;
    color: #fff;
    border: none;
    cursor: pointer;
}

.controls button:hover {
    background-color: #195bcc;
}