.my-form-class {
    margin: 3px;
    float: right;
    border: 1px solid DarkViolet;
    text-align: center;
    height: 240px;
    width: 300px;
}

.my-form-class #file-select {
    height: 50px;
    padding: 10px 15px;
    margin: 8px;
    box-sizing: border-box;
    border: 1px solid #ccc;
    border-radius: 2px;
    font-size: 15px;
    width: 270px;
}

.my-form-class label {
    margin: 3px;
    font-weight: bold;
}

.my-form-class input[type="radio"] {
    margin: 0 10px;
}

.my-form-class .preview-btn,
.my-form-class .download-btn,
.my-form-class .download-gbtn {
    padding: 12px 20px;
    margin: 8px 0;
    box-sizing: border-box;
    border: 2px solid #ccc;
    border-radius: 4px;
    background-color: #4CAF50;
    color: white;
    cursor: pointer;
    font-size: 16px;
}

.my-form-class .preview-btn:hover,
.my-form-class .download-btn:hover,
.my-form-class .download-gbtn:hover {
    background-color: #45a049;
}