Fix linter errors

app/templates/dashboard.hbs

@@ -109,10 +109,10 @@
     {{#if this.showFullContributionSync}}
     <section id="sync-all-contributions">
       {{#if this.kredits.fetchMissingContributions.isIdle}}
-        <p style="margin-bottom: 1rem;">
+        <p class="mb-4">
           There are
           <strong>{{this.kredits.missingHistoricContributionsCount}}</strong>
-          contributions, which are not currently loaded/displayed.
+          earlier contributions, which are not currently loaded/displayed.
         </p>
         <p>
           You can fetch all historic data in one go, and have it stored locally in
@@ -122,7 +122,7 @@
           </button>
         </p>
       {{else}}
-        <p style="margin-bottom: 1rem;">
+        <p class="mb-4">
           Syncing data. Please be patient...
         </p>
         <p>

app/templates/signup/eth-account.hbs

@@ -2,7 +2,7 @@
   <h2>Complete your contributor profile</h2>
 </header>
 <div class="content text-lg">
-  <p class="mg-bottom-md">
+  <p class="mb-8">
     Kredits allow you to take part in project governance, and to earn rewards for
     your contributions. For both, you will need an Ethereum wallet/account.
   </p>