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you can change it to: img[data-src] { background: #aaa url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="38" height="38" viewBox="0 0 38 38" stroke="#fff" stroke-width="2" fill="none"><circle stroke-opacity=".5" cx="19" cy="19" r="18"/><path