What do the crossed style properties in Google Chrome devtools mean?

Question

While inspecting an element using Chrome\'s devtools, in the elements tab, the right-hand side \'Styles\' bar shows the corresponding CSS properties. At times, some of these

Answer 1

There is some cases when you copy and paste the CSS code in somewhere and it breaks the format so Chrome show the yellow warning. You should try to reformat the CSS code again and it should be fine.