<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 288 512"><path d="M144 176c44.1 0 80 35.9 80 80s-35.9 80-80 80-80-35.9-80-80 35.9-80 80-80m0-64C64.5 112 0 176.5 0 256s64.5 144 144 144 144-64.5 144-144-64.5-144-144-144z"/></svg>
info at phpclasses dot org