There is no way to set the image size that you assign to an element’s pseudo like ::before. But do not fret. There is a workaround.

User David Vasquez of StackOverflow provided a solution for this. See sample CSS.

So you created an overflow menu that contains another sub-menu in Android’s ActionBar. Everything works well after you styled the background color of Widget.AppCompat.PopupMenu.

Once you tried a long click on the overflow MenuItem and proceed to selected a sub MenuItem, you notice the selected background color of the item is not transparent.

The cause for this is because you used android:background. The correct attribute to use is android:colorBackground.

That should fix it.

See sample XML code:

And in your theme style, add this:

I came across a problem using Bootstrap 2.3.1 and creating a modal popup window. The result looked somewhat like this (photo taken from a thread in StackOverflow).

bootstrap_modal_behind_background

Now, in the StackOverflow forum, I read posts that showed a solution by appending it to the body instead of having to place the DIV layer outside any nested elements, like perhaps just before the tag.

This is how they said to do it:

This may look correct but there is actually a problem with this one. In my Angular JS web application, whenever I call this code, it shows the modal with the correct data. However, succeeding calls to it will show the modal that were created previously.

This is because of the appendTo(‘body’) call. Now, if we remove it when the modal is closed, the modal popup will not appear again.

Bootstrap version 3 seemed to fix this problem. However, since I already created my web template based on Bootstrap 2.3.1, I had to find a way to make sure that the modal popup window will only be appended to the BODY tag once.

The solution to this is to assign the return value of $(‘#div’).appendTo(‘body’) to a variable like this:

This way, the DIV layer element that contains the content of the modal popup will only be appended to the BODY element once and calls to modal(‘show’) will not bring up any other modal windows.

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