How to change the behavior of an accordion?

Question

css

there are bootstrap tabs here. if one tab open its button should not be visible. This is how it is in the design:

and the tab buttons should not climb up when another tab is opened, like this:

/....................... ................................................. ................................................. ........................................./

$(document).ready(function () {
        console.log("ready!");
        var collapseItem = $('.panel-title>a');
        if (!collapseItem.hasClass('collapsed')) {
            collapseItem.css('display', 'none');
        }else{
             collapseItem.css('display', 'block');
        }
    });

here is the code at the top is not robotic