title: How to set a layout using spinner
body: <p>I want to create a layout like the below picture. How can I set the drop-down like this with cancel option. I am using spinner to show the drop-down but cannot set the layout like this.</p>
  
  <p><img src="https://i.stack.imgur.com/g80od.jpg" alt="enter image description here"></p>
  
  <p>Can anyone help me to create a drop-down like this. I also want to create an expand button for a list item which will open the content in a new page. My aim is to set all the available settings in a single page. </p>