How to get the Google Chrome INSPECT TOOL icon to apear - google-chrome-devtools

I want to use Chrome to inspect HTML and view the HTML/CSS affecting an element on the page.
This video shows that in Dev Tools Mode you can click the Elements tab and click the Inspect icon (magnifying glass). But that menu is not there.
I'm using chrome: Version 60.0.3112.113 (Official Build) (64-bit)

The icon is now different and can be invoked via Ctrl-Shift-C or in the toolbar, which is on the top of devtools Elements panel.
(answer provided by commentor above)

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Can't see Flutter Inspector in View > Tool Windows in Android Studio

Installed Flutter & Dart SDK, checked 'Open Flutter Inspector view on app launch' under Languages & Frameworks > Flutter.
Android Studio Sidebar
I can see 'Open Flutter DevTools' button under Run tab, which opens DevTools in browser. However, the inspector doesn't work properly (widget tree disappears when i select a widget, object doesn't open in Android Studio when double clicked).
You can check from tools, tap to open it.
Now pin the tab to have always on bottom

Chrome DevTools: Close Lighthouse-Report

I'm not sure if this is the right location to ask...
I am frequently using Chrome DevTools for debugging. Now I saw that there was a new tab "Lighthouse" and I started to generate a report.
It turned my Webpage into a mobile view. When I close DevTools it resets but every time I restart my Chrome DevTools it automatically turns the Webpage into mobile view.
How do I stop this lighthouse report while still using DevTools?
Although this is about using software (so should probably be on superuser.com) it is an easy one to answer so I will answer then vote to close the question.
In the very top left of the developer tools window you will see two icons. The second icon is for mobile emulation, the one located right next to the "Elements" tab.
On your screen this will be blue as you have it activated, simply click this to remove mobile device emulation.
On Lighthouse itself if you want to test the Desktop version of the site you will see some options before you run the report, you will see "Device" and two radio buttons, just change it to "Desktop"

Chrome Dev Tools Split Vertically while Detached?

When using the Chrome Dev Tools window detached from the browser window, is it possible to change the layout to be split vertically instead of horizontally?
In the Dev Tool options there is an option to split vertically but it only applies when the Dev Tools window is attached to the right side of the browser window. Doesn't have any effect when the window is detached.
See the screenshot below: Things are too cramped with the horizontally laid out panels. If you could lay them out vertically it would be perfect.
Is this possible?
[UPDATE]
It looks like Panel layout setting is now respected in detached windows (tested in Chrome 55).
Original, outdated, answer below.
This is not an exposed option, but it's possible:
undock DevTools window (A),
focus on that window and hit alt+cmd+J,
this will open another DevTools window (B) - in that window's console execute
WebInspector.panels.elements._splitVertically(true)
close window B
The only issue here is that this change will not "stick". For each DevTools window you'll have to repeat above procedure. However, if you'd like this option to stick and to be exposed in the DevTools settings you can file a feature request on crbug.com.
yes you can. just hold the doc button and you will get the option to view vertically. Or you can use the show windows side by side from the task bar.

Open Chrome Developer Tools tabs in a new window to show on multiple monitors

Is there a way where one can open a specific tab of the Chrome Developer Tools in a separate window? I have got 3 monitors and would like to have the Sources tab on one screen and the Elements on another screen. Is this possible?
I find this limitation frustrating too, all those other monitors are wasted! Here is poor man's solution:
launch your chrome with --remote-debugging-port=9999 command line parameter
right click on your page to debug and select 'Inspect Element' - this is your debug window #1
open a separate chrome window and navigate to chrome://inspect
click 'Configure...' and add localhost:9999
within a couple of seconds under 'Remote Targets' you should see tabs you can inspect from your other chrome instance
click on the tab, and now this is your debug window #2
Unrelated tip: system wide nightmode experience: http://danielsokolowski.blogspot.com/2018/11/windows-10-8-7-night-mode.html

How to find selectors for elements in the Chrome Web Inspector

I found a custom theme for my chrome web inspector but I need to make some small changes. Where do you find the selectors for the elements in the web inspector?
In the picture below I am trying to make the expand arrow white so you can see it against the background:
DevTools front end is an HTML page, so you can inspect its elements/layout via another instance of devtools. To do so, undock devtools, focus on its window and hit Ctrl-Shift-I (or Cmd-Opt-I on mac).