Initial features of accounts tab

It's rough right now, but the accounts tab shows a list of users and
info. Right now the only action available is to apply settings (from
template or another user) to a selection of users. More to come.

scss/base.scss

@@ -10,7 +10,7 @@ h1 {
     /*margin: 20%;*/
     margin-bottom: 5%;
 }
-.linkGroup {
+.tabGroup {
     /*margin: 20%;*/
     margin-bottom: 5%;
     margin-top: 5%;
@@ -84,6 +84,7 @@ body.modal-open {
     font-weight: inherit;
     line-height: inherit;
     font-family: inherit;
+    margin-right: 1rem;
   }
 }
 
@@ -94,3 +95,11 @@ body.modal-open {
 .text-button {
     @extend %scut-link-unstyled;
 }
+
+.text-button:hover {
+    @extend %scut-link-unstyled;
+}
+
+.unfocused {
+    display: none;
+}

scss/bs4/bs4.scss

@@ -1,2 +1,15 @@
 @import "../../node_modules/bootstrap4/scss/bootstrap";
+
+.icon-button {
+    color: $text-muted;
+}
+
+.icon-button:hover {
+    color: inherit;
+}
+
+.icon-button:active {
+    color: $text-muted;
+}
+
 @import "../base.scss";

scss/bs5/bs5.scss

@@ -1,2 +1,15 @@
 @import "../../node_modules/bootstrap/scss/bootstrap";
+
+.icon-button {
+    color: $text-muted;
+}
+
+.icon-button:hover {
+    color: inherit;
+}
+
+.icon-button:active {
+    color: $text-muted;
+}
+
 @import "../base.scss";