I installed a extension (bannerslider), all css seems placed in app/code/Magestore/Bannerslider/view/frontend/web/css

i had tried to delete all css in this folder then run

php bin/magento setup:static-content:deploy zh_Hant_TW 


php bin/magento setup:static-content:deploy

but nothing were changed in frontend, anyone knows how to edit css of a extension?

2 Answers 2


Please do not delete css web/css and try these steps

1- rm -rf var/*

2- rm -rf pub/static/*

3- php bin/magento setup:static-content:deploy

4- chmod -R 777 var pub/static

  • it works after delete the related file in pub/static, but need to do this everytime to change a little bit css? it is so inconvenient
    – hkguile
    Apr 5, 2017 at 11:25

I tend to make a folder in my theme so Vendor/Theme/Magestore_Bannerslider/web/css copy the files in there and then modify to your needs. Your delpoy steps followed by clearing any cache if enabled should then overwrite the CSS for that module.

I would also make sure cache is cleared on your web browser as these can get cached locally. If it's less files that have been modified these need to be compiled, when using development mode I just turn on client side compilation from within admin.

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