ADDING THE DARK THEME IN BLOG PAGE AND MULTI PAGES LIKE DONATE ANIMAL ,SUPPORT US

**Described the solution **
I want to add best color combination in dark and light mode that help to improve the user experince ,So that people spend more time in the website .

**Problems**
Now the website is looking good but with my exprence it whould be better ,This is only because of the color combination that after changing the light mode to dark mode it still not feel your eyes good, So accept my issue that I can give my effort in solving issue's for this animal frendly website.