Close button

Hello,
I think it would be more beautiful if you added a border to the Close Button.
https://uupload.ir/files/t40p_screenshot_1.jpg

For example, you can add the following CSS:

.close span {
border-style: dotted;
border-width: 1px;
border-color: rgb(145,145,145);
border-radius: 5px;
}