Improve account bar css (#8087)

* Remove superfluous span tags

* Make account bar items (except dropdown) flexible to work well with custom CSS

* Fix CSS lint warning (0px → 0)

app/javascript/mastodon/features/account/components/action_bar.js

@@ -142,17 +142,17 @@ export default class ActionBar extends React.PureComponent {
         <div className='account__action-bar'>
           <div className='account__action-bar-links'>
             <Link className='account__action-bar__tab' to={`/accounts/${account.get('id')}`}>
-              <span><FormattedMessage id='account.posts' defaultMessage='Toots' /></span>
+              <FormattedMessage id='account.posts' defaultMessage='Toots' />
               <strong>{shortNumberFormat(account.get('statuses_count'))}</strong>
             </Link>
 
             <Link className='account__action-bar__tab' to={`/accounts/${account.get('id')}/following`}>
-              <span><FormattedMessage id='account.follows' defaultMessage='Follows' /></span>
+              <FormattedMessage id='account.follows' defaultMessage='Follows' />
               <strong>{shortNumberFormat(account.get('following_count'))}</strong>
             </Link>
 
             <Link className='account__action-bar__tab' to={`/accounts/${account.get('id')}/followers`}>
-              <span><FormattedMessage id='account.followers' defaultMessage='Followers' /></span>
+              <FormattedMessage id='account.followers' defaultMessage='Followers' />
               <strong>{shortNumberFormat(account.get('followers_count'))}</strong>
             </Link>
           </div>

app/javascript/styles/mastodon/components.scss

@@ -1236,7 +1236,6 @@ a .account__avatar {
 }
 
 .account__action-bar-dropdown {
-  flex: 0 1 calc(50% - 140px);
   padding: 10px;
 
   .icon-button {
@@ -1268,9 +1267,9 @@ a .account__avatar {
 .account__action-bar__tab {
   text-decoration: none;
   overflow: hidden;
-  flex: 0 1 80px;
+  flex: 0 1 100%;
   border-right: 1px solid lighten($ui-base-color, 8%);
-  padding: 10px 5px;
+  padding: 10px 0;
 
   & > span {
     display: block;