add an underline to the selected pin to improve accesibility

src/components/nav_panel/nav_panel.vue

@@ -3,7 +3,7 @@
     <div class="panel panel-default">
       <div
         v-if="!forceExpand"
-        class="panel-heading"
+        class="panel-heading nav-panel-heading"
       >
         <NavigationPins :limit="6" />
         <div class="spacer" />
@@ -192,6 +192,7 @@
 
   .timelines-chevron {
     margin-left: 0.8em;
+    margin-right: 0.8em;
     font-size: 1.1em;
   }
 
@@ -209,9 +210,13 @@
     background-color: var(--bg, $fallback--bg);
   }
 
+  .nav-panel-heading {
+   // breaks without a unit
+   --panel-heading-height-padding: 0em;
+  }
+
   .fa-scale-110 {
     margin-right: 0.8em;
   }
-
 }
 </style>

src/components/navigation/navigation_pins.vue

@@ -30,6 +30,7 @@
 .NavigationPins {
   display: flex;
   overflow: hidden;
+  height: 100%;
 
   .alert-dot {
     border-radius: 100%;
@@ -49,6 +50,7 @@
     flex: 0 0 3em;
     min-width: 2em;
     text-align: center;
+    overflow: visible;
 
     & .svg-inline--fa,
     & .iconLetter {
@@ -56,10 +58,13 @@
     }
 
     &.router-link-active {
-      & .svg-inline--fa,
-      & .iconLetter {
       color: $fallback--text;
       color: var(--selectedMenuText, $fallback--text);
+      border-bottom: 4px solid;
+
+      & .svg-inline--fa,
+      & .iconLetter {
+        color: inherit;
       }
     }
   }

src/panel.scss

@@ -46,7 +46,7 @@
 .panel-footer {
   --panel-heading-height-padding: 0.6em;
   --__panel-heading-height: 3.2em;
-  --__panel-heading-height-inner: calc(var(--__panel-heading-height) - 2 * var(--panel-heading-height-padding));
+  --__panel-heading-height-inner: calc(var(--__panel-heading-height) - 2 * var(--panel-heading-height-padding, 0));
 
   position: relative;
   box-sizing: border-box;
@@ -57,7 +57,7 @@
   grid-column-gap: 0.5em;
   flex: none;
   background-size: cover;
-  padding: 0.6em;
+  padding: var(--panel-heading-height-padding);
   height: var(--__panel-heading-height);
   line-height: var(--__panel-heading-height-inner);
   z-index: 4;