style.css

html, body {
    margin: 20px;
    font-family:Arial, Helvetica, sans-serif;
}

.container {
    margin: 0 auto;
    width: 400px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

label {
    border: 2px solid black;
    padding: 8px 16px;
    cursor: pointer;
    display: flex;
    align-items: center;
}

input[type="file"] {
    display: none;
}

.upload-icon {
    width: 30px;
    margin-right: 10px;
}

#image-container {
    margin-top: 20px;
    position: relative;
}

#image-container img {
    width: 400px;
}
  
.bounding-box {
    position: absolute;
    box-sizing: border-box;
}
  
.bounding-box-label {
    position: absolute;
    color: white;
    font-size: 12px;
}