How can I overwrite all images width in php html?

[mferreira]

I would like to overwrite all images width to 90% percent. But there are some pictures have the styles in css file, some looks like this:\[code\] <img src="http://stackoverflow.com/questions/14069697/sss" style="something" ... \[/code\]I vanna dell all style things in the mobile version of website.This is it: http://mikrobusz-berles.com The pictures are too big. I wanna resize them for mobile version. Any idea?