Minify css will transform rgba to #rrggbbaa box-shadow

[dongH555]

Describe the bug

box-shadow: 0px 1px 4px 0px rgba(0, 0, 0, 0.13);

Reproduction

#app {
box-shadow: -5px 3px 5px 6px rgba(210, 209, 209, 0.3);
}

#app {
box-shadow: -5px 3px 5px 6px #d2d1d14d;
}

System Info

System:
    OS: Windows 10 10.0.19043
    CPU: (12) x64 Intel(R) Core(TM) i5-10400 CPU @ 2.90GHz
    Memory: 9.96 GB / 15.84 GB
  Binaries:
    Node: 14.17.3 - C:\Program Files\nodejs\node.EXE
    npm: 6.14.13 - C:\Program Files\nodejs\npm.CMD
  Browsers:
    Edge: Spartan (44.19041.1023.0), Chromium (92.0.902.73)
    Internet Explorer: 11.0.19041.906
  npmPackages:
    vite: ^2.5.0 => 2.5.0

Used Package Manager

npm

Logs

No response

Validations

• Follow our Code of Conduct
• Read the Contributing Guidelines.
• Read the docs.
• Check that there isn't already an issue that reports the same bug to avoid creating a duplicate.
• Make sure this is a Vite issue and not a framework-specific issue. For example, if it's a Vue SFC related bug, it should likely be reported to https://github.com/vuejs/vue-next instead.
• Check that this is a concrete bug. For Q&A open a GitHub Discussion or join our Discord Chat Server.
• The provided reproduction is a minimal reproducible example of the bug.

[bluwy]

See https://esbuild.github.io/content-types/#css. To prevent this, set build.target to one that does not support this syntax.