Make footer max width 100vw to fix lighthouse test error (#574)

* restrict footer width to 100vw

* make it camel case

Author: btahir

src/components/Footer.js

@@ -20,7 +20,7 @@ const Footer = class extends React.Component {
         </div>
         <div className="content has-text-centered has-background-black has-text-white-ter">
           <div className="container has-background-black has-text-white-ter">
-            <div className="columns">
+            <div style={{ maxWidth: '100vw' }} className="columns">
               <div className="column is-4">
                 <section className="menu">
                   <ul className="menu-list">