Change the color of containers of the "Feature grid with sections" block

Here is a custom code to change the color of the “Feature grid with sections” block’s containers.
Please add the code to the Page settings → Custom code header section, make sure you change the feature-grid1 text to the ID of your feature grid block and save and publish the app.

#feature-grid1 .container .css-2uf1l0 .css-1pdy5ci .css-1fag5g3 {
    background: #ff00ff!important;