Why are my YUI id's changing in 7.1?

I'm trying to target images inside an element with a YUI id for css manipulation, however the YUI id is changing when the page reloads.

Repro steps:

1. Inspect element
2. find wrapper with YUI id
3. Open custom css editor
4. add "#yui ... id number" and styling code
5. watch the styling apply correctly in real-time
6. save changes
7. reload page
8. styles are no longer applied because after inspecting the same element, the YUI id has dynamically changed

Is this expected behavior? If so, what is the change to my workflow that i need to consider?

-lh

DO NOT USED #YUI-

Use #block-yui

@tuanphan that worked for a single image, and i'm trying to address changes to a section of images. So your insight gave me an idea to use #page-section-idXXX" .. which seems to have done the trick. Is that an acceptable practice? 

TYIA!!

@paul2009 thank you for the tips!

@SKYW4KR Did you figure this out? I am trying to stop the links for about 80% of the images/titles on my blog summary post, but there is no block ID for each image/title, they are all yui ids that change each time. I tried disabling the whole summary's links then just forcing the 12 I do need to work... but... 

My code is as follows with the bold part being what changes (of course) and doesn't work. 

 //remove link in staff blog
div#block-yui_3_17_2_1_1590076520498_4551 .summary-title-link {
    pointer-events: none;
}
//add link to jordans profile
#yui_3_17_2_1_1591131927780_981 .summary-title-link {pointer-events: auto!important;}   <--- no block ID that I can see for this image

Thoughts? I

On 6/2/2020 at 5:24 PM, deaton72 said:

@SKYW4KR Did you figure this out?

Hi @deaton72, I followed the instructions given by @paul2009 and realized I was targeting the wrong object. Check out his post.