Checks which characters can be inserted into CSS style declarations before a @x prefix with curlies.
const style = document.createElement("style");
style.textContent = '@x{}'+String.fromCodePoint($[i])+'@import url(https://fuzz.shazzer.co.uk/$[rand]?$[i]);';
document.head.appendChild(style);const style = document.createElement("style");
style.textContent = '@x{}'+String.fromCodePoint(9)+'@import url(https://fuzz.shazzer.co.uk/4lji0y0hs67?9);';
document.head.appendChild(style);const style = document.createElement("style");
style.textContent = '@x{}'+String.fromCodePoint(10)+'@import url(https://fuzz.shazzer.co.uk/rhgetur4b5?10);';
document.head.appendChild(style);const style = document.createElement("style");
style.textContent = '@x{}'+String.fromCodePoint(12)+'@import url(https://fuzz.shazzer.co.uk/hthreu2wej7?12);';
document.head.appendChild(style);const style = document.createElement("style");
style.textContent = '@x{}'+String.fromCodePoint(13)+'@import url(https://fuzz.shazzer.co.uk/q21b5oqv1np?13);';
document.head.appendChild(style);const style = document.createElement("style");
style.textContent = '@x{}'+String.fromCodePoint(32)+'@import url(https://fuzz.shazzer.co.uk/xle08ann3y?32);';
document.head.appendChild(style);const style = document.createElement("style");
style.textContent = '@x{}'+String.fromCodePoint(9)+'@import url(https://fuzz.shazzer.co.uk/3twr1o6e9zu?9);';
document.head.appendChild(style);const style = document.createElement("style");
style.textContent = '@x{}'+String.fromCodePoint(10)+'@import url(https://fuzz.shazzer.co.uk/wisie75ork?10);';
document.head.appendChild(style);const style = document.createElement("style");
style.textContent = '@x{}'+String.fromCodePoint(12)+'@import url(https://fuzz.shazzer.co.uk/y4ob78oj2fk?12);';
document.head.appendChild(style);const style = document.createElement("style");
style.textContent = '@x{}'+String.fromCodePoint(13)+'@import url(https://fuzz.shazzer.co.uk/9ky2vrf7t6q?13);';
document.head.appendChild(style);const style = document.createElement("style");
style.textContent = '@x{}'+String.fromCodePoint(32)+'@import url(https://fuzz.shazzer.co.uk/hcg34ros4mg?32);';
document.head.appendChild(style);const style = document.createElement("style");
style.textContent = '@x{}'+String.fromCodePoint(9)+'@import url(https://fuzz.shazzer.co.uk/hf0z73c0k3m?9);';
document.head.appendChild(style);const style = document.createElement("style");
style.textContent = '@x{}'+String.fromCodePoint(10)+'@import url(https://fuzz.shazzer.co.uk/0pll82ie1qu?10);';
document.head.appendChild(style);const style = document.createElement("style");
style.textContent = '@x{}'+String.fromCodePoint(12)+'@import url(https://fuzz.shazzer.co.uk/hwxhbar5fbq?12);';
document.head.appendChild(style);const style = document.createElement("style");
style.textContent = '@x{}'+String.fromCodePoint(13)+'@import url(https://fuzz.shazzer.co.uk/t1symg36k8?13);';
document.head.appendChild(style);const style = document.createElement("style");
style.textContent = '@x{}'+String.fromCodePoint(32)+'@import url(https://fuzz.shazzer.co.uk/o5pzx1tmzc?32);';
document.head.appendChild(style);const style = document.createElement("style");
style.textContent = '@x{}'+String.fromCodePoint(9)+'@import url(https://fuzz.shazzer.co.uk/f2u8amyfdqw?9);';
document.head.appendChild(style);const style = document.createElement("style");
style.textContent = '@x{}'+String.fromCodePoint(10)+'@import url(https://fuzz.shazzer.co.uk/mky4s8xwmxg?10);';
document.head.appendChild(style);const style = document.createElement("style");
style.textContent = '@x{}'+String.fromCodePoint(12)+'@import url(https://fuzz.shazzer.co.uk/ryi9un9n79?12);';
document.head.appendChild(style);const style = document.createElement("style");
style.textContent = '@x{}'+String.fromCodePoint(13)+'@import url(https://fuzz.shazzer.co.uk/u9z4l4iywj?13);';
document.head.appendChild(style);const style = document.createElement("style");
style.textContent = '@x{}'+String.fromCodePoint(32)+'@import url(https://fuzz.shazzer.co.uk/zcd8u8bztjj?32);';
document.head.appendChild(style);