Uses a list of CSS properties and CSP violations to determine which properties cause external requests.
<div style=$[data1]:url(https://fuzz.shazzer.co.uk/$[rand]?$[data1])></div><div style=-webkit-mask-box-image:url(https://fuzz.shazzer.co.uk/evuthr0902?-webkit-mask-box-image)></div><div style=-webkit-mask-box-image-source:url(https://fuzz.shazzer.co.uk/bt5ng6ivo3?-webkit-mask-box-image-source)></div><div style=background:url(https://fuzz.shazzer.co.uk/h4w9l5y7ama?background)></div><div style=background-image:url(https://fuzz.shazzer.co.uk/jym7r5cd90e?background-image)></div><div style=border-image:url(https://fuzz.shazzer.co.uk/38le08czj6q?border-image)></div><div style=border-image-source:url(https://fuzz.shazzer.co.uk/m4wsh18yej?border-image-source)></div><div style=clip-path:url(https://fuzz.shazzer.co.uk/urv8gq7ab3d?clip-path)></div><div style=content:url(https://fuzz.shazzer.co.uk/co4nrdmwli8?content)></div><div style=fill:url(https://fuzz.shazzer.co.uk/7qlu6v9wfmn?fill)></div><div style=list-style:url(https://fuzz.shazzer.co.uk/42t0voabjw3?list-style)></div><div style=list-style-image:url(https://fuzz.shazzer.co.uk/pvwt47eswn?list-style-image)></div><div style=marker:url(https://fuzz.shazzer.co.uk/hax1b7ixjno?marker)></div><div style=marker-end:url(https://fuzz.shazzer.co.uk/xorf5vahcy8?marker-end)></div><div style=marker-mid:url(https://fuzz.shazzer.co.uk/30ntc2d9ieh?marker-mid)></div><div style=marker-start:url(https://fuzz.shazzer.co.uk/wofb1132htm?marker-start)></div><div style=mask:url(https://fuzz.shazzer.co.uk/8tud5jex7zg?mask)></div><div style=mask-image:url(https://fuzz.shazzer.co.uk/8qltzlf9oqf?mask-image)></div><div style=shape-outside:url(https://fuzz.shazzer.co.uk/l5necwvx1l?shape-outside)></div><div style=stroke:url(https://fuzz.shazzer.co.uk/kvqah0ekzy?stroke)></div><div style=-webkit-mask-box-image:url(https://fuzz.shazzer.co.uk/cr2fwgmfoxa?-webkit-mask-box-image)></div>