Remove default info window in google map

Remove default info window in google map.txt

// Remove default info window  in google map 
google.maps.event.addListener(infowindow, 'domready', function() {

    // Reference to the DIV that wraps the bottom of infowindow
    var iwOuter = $('.gm-style-iw');

    /* Since this div is in a position prior to .gm-div style-iw.
     * We use jQuery and create a iwBackground variable,
     * and took advantage of the existing reference .gm-style-iw for the previous div with .prev().
    */
    var iwBackground = iwOuter.prev();

    // Removes background shadow DIV
    iwBackground.children(':nth-child(2)').css({'display' : 'none'});

    // Removes white background DIV
    iwBackground.children(':nth-child(4)').css({'display' : 'none'});

    // Moves the infowindow 115px to the right.
    iwOuter.parent().parent().css({left: '115px'});

    // Moves the shadow of the arrow 76px to the left margin.
    iwBackground.children(':nth-child(1)').attr('style', function(i,s){ return s + 'left: 76px !important;'});

    // Moves the arrow 76px to the left margin.
    iwBackground.children(':nth-child(3)').attr('style', function(i,s){ return s + 'left: 76px !important;'});

    // Changes the desired tail shadow color.
    iwBackground.children(':nth-child(3)').find('div').children().css({'box-shadow': 'rgba(72, 181, 233, 0.6) 0px 1px 6px', 'z-index' : '1'});

    // Reference to the div that groups the close button elements.
    var iwCloseBtn = iwOuter.next();

    // Apply the desired effect to the close button
    iwCloseBtn.css({opacity: '1', right: '38px', top: '3px', border: '7px solid #48b5e9', 'border-radius': '13px', 'box-shadow': '0 0 5px #3990B9'});

    // If the content of infowindow not exceed the set maximum height, then the gradient is removed.
    if($('.iw-content').height() < 140){
      $('.iw-bottom-gradient').css({display: 'none'});
    }

    // The API automatically applies 0.7 opacity to the button after the mouseout event. This function reverses this event to the desired value.
    iwCloseBtn.mouseout(function(){
      $(this).css({opacity: '1'});
    });
  });


//CSS put in stylesheet
.gm-style-iw {
  background-color: rgb(237, 28, 36);
    border: 1px solid rgba(72, 181, 233, 0.6);
    border-radius: 10px;
    box-shadow: 0 1px 6px rgba(178, 178, 178, 0.6);
    color: rgb(255, 255, 255) !important;
    font-family: gothambook;
    text-align: center;
    top: 15px !important;
    width: 150px !important;
}