pkg image/gif, func DecodeAll(io.Reader) (*GIF, error)
pkg image/gif, func DecodeConfig(io.Reader) (image.Config, error)
pkg image/gif, type GIF struct
pkg image/gif, type GIF struct, Delay []int
pkg image/gif, type GIF struct, Image []*image.Paletted
pkg image/gif, type GIF struct, LoopCount int
pkg image/jpeg, const DefaultQuality ideal-int
pkg image/jpeg, func Decode(io.Reader) (image.Image, error)

https://github.com/h5bp/html5-boilerplate/blob/master/src/css/main.css\n\n// ==========================================================================\n// Print styles.\n// Inlined to avoid the additional HTTP request:\n// https://www.phpied.com/delay-loading-your-print-css/\n// ==========================================================================\n\n@if $enable-print-styles {\n  @media print {\n    *,\n    *::before,\n    *::after {\n      // Bootstrap specific; comment out `color` and `background`\n...