resized network-menu toggle buttons

src/app/components/network/network-menu-left/network-menu-left.component.scss

@@ -85,8 +85,8 @@
     top: calc(50% - 10px);
     display: inline-block;
     margin: 0px;
-    right: -20px;
-
+    right: -12px;
+    padding: calc(.75em - 1px) !important;
     .dropdown-menu {
       z-index: $network-tissue-options-z;
       .scroll-area {
@@ -98,4 +98,4 @@
 
 .dropdown-menu{
   z-index: $network-tissue-options-z !important;
-}
+}
\ No newline at end of file

src/app/components/network/network-menu/network-menu.component.scss

@@ -85,7 +85,8 @@
     top: calc(50% - 10px);
     display: inline-block;
     margin: 0px;
-    left: -20px;
+    left: -12px;
+    padding: calc(.75em - 1px) !important;
     &.rotated {
       -ms-transform: rotate(180deg); /* IE 9 */
       transform: rotate(180deg);

src/stylesheets/styles.scss

@@ -45,6 +45,7 @@
 
   .tissue-dropdown {
     padding: 5px;
+
     .scroll-area {
       max-height: 250px;
       overflow-y: scroll;
@@ -93,6 +94,7 @@
     &::-webkit-scrollbar {
       display: none;
     }
+
     /* Hide scrollbar for IE, Edge and Firefox */
     -ms-overflow-style: none; /* IE and Edge */
     scrollbar-width: none; /* Firefox */
@@ -197,6 +199,7 @@
   .analysis-view {
     .network-footer-toolbar {
       z-index: $analysis-network-footer-container-z;
+
       .network-toolbar-toggle {
         z-index: $analysis-network-footer-container-toggle-z;
       }