As far as I know, for reactions(the like menu) it's working as intended. A single touch on mobile will result in a like. Alternatively, you can hold it to bring up the menu.
I don't think there's a way to change that at the moment.
That looks to be some sort of dark mode the browser is doing? As far as I know it's not something we can control. There is a dark style on here you can use.
Looking at the old code, they were always white no matter how many replies or read/unread. They were not links before, which is why it's...
The text in the editor, when highlighted, is adjusted.
Looking at some of these other issues now.
I have no idea where the reddish/pink is coming from. As mentioned earlier: