JSFiddle - React, Tailwind, and code Playground

JavaScript

$(document).ready(function Header(){
				
			        var childHeight = (function childHeight(){
				        var childState = $('.MyPosition2').parent();
				        var childHeightOut = childState.height();
				        return childHeightOut
			        })();

			        var childWidth = (function childWidth(){
						$('.MyPosition2').css({'margin-left': 'none'});
						var childWidthOut = $('.MyPosition2').width();
						return childWidthOut
			        })();

                    var clearfixWidth = (function clearfixWidth(){
                    var locateClearfix = $('.MyPosition2').parent('.clearfix');
                    var clearfix = locateClearfix.width();
				    return clearfix
			        })();
			        var parent = $('.MyPosition2').parent('.clearfix');

			        
                      childHeight += 0;
                      var displace = (((clearfixWidth - childWidth) / 2) +1) - 0;
                      parent.css({'left': '-' + displace + 'px', 'margin-left': '0px', 'top': 'calc(100% - ' + childHeight + 'px)'});

		        });

		      $(window).resize(function Header(){
                  
              });