dwweb-pc/2018专题/1806全景图专题-商务/scss/base/mixin.scss

$vari : 1920 / 640;

@function px2rem($size){
	@return $size / 20 / 2 / $vari + rem;
}
@function -px2rem($size){
    @return - $size / 20 / 2 / $vari + rem;
}