Improve accessibility

[justinezahiri]

According to W3 ARIA, followings issues should be considered:

• meta tag should not include mutiple attributes.
  ex: put charset attribute in a separated meta tag.

• type attribute for style element is not needed and should be omitted.

• value fetch is not allowed for as attribute on link tag

[ujjawaljaiswal2017]

How exactly should I go on with this issue?

[sumitkharche]

The above mentioned points are already followed in this project.