move styles to classes

www/views/walletDetails.html

@@ -35,13 +35,12 @@
           <br><span translate>Tap to retry</span>
         </div>
 
-
         <div
           ng-click='updateAll(true)'
           ng-show="!updateStatusError && wallet.walletScanStatus != 'error' && !wallet.balanceHidden"
           on-hold="hideToggle()"
           ng-style="{'transform': amountScale}"
-          style="margin-top: 5px;"
+          class="amount__balance"
         >
           <strong ng-if="!status.pendingAmount" class="size-36">{{status.totalBalanceStr}}</strong>
           <div