fixed footer button styles

src/app/pages/explorer-page/explorer-page.component.html

@@ -172,13 +172,18 @@
             >
               <div class="network-footer-toolbar-inner-container">
                 <ng-container *ngIf="myConfig.showFooterButtonScreenshot">
+                  <div
+                    class="
+                      footer-buttons
+                      network-footer-toolbar-element
+                    "
+                  >
                     <button
                       (click)="toImage()"
                       class="
-                      button footer-buttons
+                      button
                       is-primary is-rounded
                       has-tooltip
-                      network-footer-toolbar-element
                     "
                       pTooltip="Take a screenshot of the current network."
                       [ngClass]="{ 'button-small': smallStyle }"
@@ -192,17 +197,20 @@
                       >Screenshot</span
                       >
                     </button>
+                  </div>
                 </ng-container>
 
                 <ng-container *ngIf="myConfig.showFooterButtonExportGraphml">
+                  <div
+                    class="
+                      footer-buttons
+                      network-footer-toolbar-element"
+                  >
                     <button
                       (click)="graphmlLink()"
-                    class="
-                      button footer-buttons
+                      class="button
                       is-primary is-rounded
-                      has-tooltip
-                      network-footer-toolbar-element
-                    "
+                      has-tooltip"
                       [ngClass]="{ 'button-small': smallStyle }"
                       pTooltip="Export this network as .graphml file."
                       [tooltipStyleClass]="'drgstn drgstn-tooltip'"
@@ -215,6 +223,7 @@
                       >.graphml</span
                       >
                     </button>
+                  </div>
                 </ng-container>
 
                 <ng-container *ngIf="myConfig.showFooterButtonExpression">
@@ -242,8 +251,7 @@
                         <span
                           *ngIf="!selectedTissue"
                           [ngClass]="{ 'text-small': smallStyle }"
-                        >Tissue</span
-                        >
+                        >Tissue</span>
                         <span *ngIf="selectedTissue">{{
                           selectedTissue.name
                           }}</span>
@@ -281,7 +289,6 @@
                     </div>
                   </div>
                 </ng-container>
-
                 <app-toggle
                   class="footer-buttons network-footer-toolbar-element"
                   textOn="Drugs"