Adding consistent h and p tags (#639)

* Revert "dockerize front end (#558)"

This reverts commit 89c23faf7a.

* cleans up global.scss file

* removes all unused styles

* adds h1 and h2 via tokens

* adds design to developer pipeline

* adds headers to about page

* removes heading from logo

* adds headings to HowYouHelp and MapLegend

* adds headers to explore tool page

* updates about page with p tags

* add margin-bottom spacers

* updates areaDetail with p and h tags

* update p.secondary margin-top

* sticky footer on contact page

* fixes spacing in footer

* update designer process

client/src/components/J40Header.tsx

@@ -93,13 +93,15 @@ const J40Header = () => {
         className={'usa-header j40-header'}>
         <div className="usa-nav-container">
           <div className="usa-navbar">
-            <h1 className="usa-logo">
+            {/* Removing h1 from logo ease transition to USWDS tokens in headers */}
+            {/* https://wehavezeal.com/blog/web-development/2016/01/12/should-i-use-the-h1-tag-for-my-website-logo */}
+            <div className="usa-logo">
               <img className="j40-sitelogo" src={siteLogo} alt={`${titleL1} ${titleL2}`} />
               <span className={'usa-logo__text j40-title'}>
                 <span className={'j40-title-line1'}>{titleL1}</span><br/>
                 <span className={'j40-title-line2'}>{titleL2}</span>
               </span>
-            </h1>
+            </div>
             <NavMenuButton
               key={'mobileMenuButton'}
               onClick={toggleMobileNav}