###change the Pixel in your css file into rem .
var gulp = require('gulp'),
gulp2rem = require('gulp-2rem');
var option = {
"root_value": 20, // 1rem = 20px
"unit_precision": 5, // float length
"prop_white_list": [ // the attr you want to change to rem
"width",
"height",
"padding",
"padding-top",
"padding-right",
"padding-bottom",
"padding-left",
"margin",
"margin-top",
"margin-right",
"margin-bottom",
"margin-left"
],
"replace": false, // replace the px value to rem ,or add new attr unit by rem after
"media_query": false // egg: @media screen and (max-width:320px)
};
gulp.task('px2rem',function(){
gulp.src('./test/sample/*.css')
.pipe(gulp2rem(option))
.pipe(gulp.dest('./test/dest/'));
});
gulp.default(['px2rem'],function(){
gulp.watch('./test/sample/*.css',['px2rem']);
});