```
```css
body {
font-family: Arial, sans-serif;
}
header {
font-weight: bold;
}
#proxyForm {
background-color: #ffffff;
padding: 20px;
border-radius: 8px;
}
#proxyContent {
display: none;
}
```
```js
$(document).ready(function() {
$('#proxyForm').submit(function(e) {
e.preventDefault();
var url = $('#url').val();
var proxyUrl = 'https://cors-anywhere.herokuapp.com/' + url;
$('#proxyFrame').attr('src', proxyUrl);
$('#proxyContent').show();
$('#proxyFrame').iFrameResize();
});
});
```
Note: The code above uses the "cors-anywhere" proxy to bypass CORS restrictions. However, please note that using a proxy to access blocked websites may violate your school's policies. Make sure to use this responsibly and in accordance with your school's guidelines.