Color change on hovering the link icons

[Shirisha-16]

Color change on hovering the instagram, twitter and youtube icons. It makes the user to understand well. I want to work on this issue @Sanskriti1102 assign me this work with the labels gssoc-ext,hacktoberfest-accepted and level according the issue.

[Sanskriti1102]

@Shirisha-16 what would the colour be?

[Shirisha-16]

example

007bff . This is the color of icons used in website mostly

[Sanskriti1102]

@Shirisha-16 assigned