color: #fff;\ntext-shadow:\n 0 0 7px #ff2d95,\n 0 0 10px #ff2d95,\n 0 0 21px #ff2d95,\n 0 0 42px #ff2d95,\n 0 0 82px #ff2d95,\n 0 0 92px #ff2d95;
Yes. It uses CSS text-shadow, which works in all modern browsers including mobile.
Neon effects look best on dark/black backgrounds, which is why the preview uses black.
text-shadow has minimal performance impact and is safe to use on any website.