(function(){ document.querySelectorAll('[data-bgimg]').forEach(function(el){ var src = el.getAttribute('data-bgimg'); if(!src) return; var innerPic = el.querySelector('.inner-pic'); if(innerPic && innerPic.style.backgroundImage) return; var bgDiv = el.querySelector('.background-image-div'); if(bgDiv && !bgDiv.style.backgroundImage){ bgDiv.style.backgroundImage = 'url(' + src + ')'; bgDiv.style.backgroundSize = 'cover'; bgDiv.style.backgroundPosition = 'center'; } }); })();