What is the difference between max-device-width and max-width for mobile web?

Question

I need to develop some html pages for iphone/android phones, but what is the difference between max-device-width and max-width? I need to use diffe

Answer 1

max-device-width is the device rendering width

@media all and (max-device-width: 400px) {
    /* styles for devices with a maximum width of 400px and less
       Changes only on device orientation */
}

@media all and (max-width: 400px) {
    /* styles for target area with a maximum width of 400px and less
       Changes on device orientation , browser resize */
}

The max-width is the width of the target display area means the current size of browser.