Protect archive_entry with a CSRF token

app/Resources/static/themes/material/css/nav.scss

@@ -6,11 +6,32 @@ nav {
   line-height: initial;
 }
 
+// adapted from anchor styles from node_modules/materialize-css/sass/components/_navbar.scss
+nav ul button {
+  transition: background-color .3s;
+  font-size: 1rem;
+  color: #fff;
+  display: block;
+  padding: 0 15px;
+  cursor: pointer;
+  background: none;
+  border: 0;
+
+  &:focus {
+    background: none;
+  }
+
+  &:hover {
+    background-color: rgba(0 0 0 / 10%);
+  }
+}
+
 nav {
   input {
     color: #aaa;
   }
 
+  ul button:hover,
   ul a:hover {
     background-color: initial;
   }
@@ -34,6 +55,7 @@ nav {
   justify-content: space-between;
   align-items: center;
 
+  button,
   a {
     padding: 10px 15px;
   }