update nav style

src/css/nav.css

@@ -73,7 +73,7 @@
   overflow-y: scroll;
   overscroll-behavior: none;
   height: var(--nav-panel-menu-height);
-  padding: 1.25em;
+  padding: 0 1.25em;
   padding-top: 0;
 }
 
@@ -145,6 +145,7 @@
 }
 
 .nav-link {
+  margin-left: 0.25rem;
   padding: 0.5rem 0 0.35rem 0.25rem;
   display: block;
   border-bottom: 1px solid transparent;
@@ -185,6 +186,11 @@
   margin-left: calc(var(--nav-line-height) * -1em);
 }
 
+.nav-item-toggle:hover {
+  border-radius: 50%;
+  background-color: var(--color-blue-50);
+}
+
 .nav-item.is-active > .nav-item-toggle {
   transform: rotate(90deg);
 }