.gallery_page_head_section{
    background: linear-gradient(rgba(29, 32, 38, 0.9), rgba(29, 32, 38, 0.95),rgba(29, 32, 38, 0.85), rgba(61, 139, 253, 0.1)),
    url("../../media/images/gallery.jpg") center center no-repeat;
  
 	background-attachment:fixed;
	background-size: cover;
	  -webkit-background-size: cover;
	  -moz-background-size: cover;
    color: #fff;
    height: 100vh;
}