Website dimmed a key code to be able to learn every minute tutorial

1, in the public css file called inside by adding the following code:

html{ -webkit-filter: grayscale(1);}

2, or add the following code in the public template:

<style>

html{-webkit-filter:grayscale(1);}

</style>

Note: mip Please add the following code template

<stylemip-custom>

html{ -webkit-filter: grayscale(1);}

</style>