Social media links don't work

**Describe the bug**
The social media links in the footer section do not work

**To Reproduce**
Steps to reproduce the behavior:
1. Go to 'https://akshitagupta15june.github.io/PetMe/'
2. Scroll down to 'footer section'
3. See error

**Expected behavior**
The social media icons were expected to redirect to their specific links

**Screenshots**

**Additional context**
I will fix this bug as soon as I can when assigned. Please assign this issue to me @akshitagupta15june under the gssoc label, level 1