diff --git a/umap/static/umap/css/form.css b/umap/static/umap/css/form.css
index 2d35cb26..912c2797 100644
--- a/umap/static/umap/css/form.css
+++ b/umap/static/umap/css/form.css
@@ -414,7 +414,7 @@ input.switch:checked ~ label:after {
 
 i.info {
     background-repeat: no-repeat;
-    background-image: url('./img/16.svg');
+    background-image: url('../img/16.svg');
     background-position: -170px -50px;
     display: inline-block;
     margin-inline-start: 5px;
@@ -423,7 +423,7 @@ i.info {
     height: 18px;
 }
 .dark i.info {
-    background-image: url('./img/16-white.svg');
+    background-image: url('../img/16-white.svg');
 }
 .with-transition {
     transition: all .7s;
@@ -436,7 +436,7 @@ i.info {
     height: 24px;
     line-height: 24px;
     display: inline-block;
-    background-image: url('./img/24.svg');
+    background-image: url('../img/24.svg');
     vertical-align: bottom;
     content: " ";
 }
@@ -445,7 +445,7 @@ i.info {
 .dark .umap-clone:before,
 .dark .umap-edit:before, .dark .umap-download:before,
 .dark .umap-to-polyline:before {
-    background-image: url('./img/24-white.svg');
+    background-image: url('../img/24-white.svg');
     vertical-align: middle;
 }
 .umap-to-polygon:before {
@@ -599,3 +599,6 @@ input[type=hidden].blur + [type="button"] {
     border: 1px solid #202425;
     border-radius: initial;
 }
+input.highlightable:not(:placeholder-shown) {
+    border: 1px solid var(--color-brightCyan);
+}
diff --git a/umap/static/umap/js/modules/importer.js b/umap/static/umap/js/modules/importer.js
index 6d959524..7e7343c8 100644
--- a/umap/static/umap/js/modules/importer.js
+++ b/umap/static/umap/js/modules/importer.js
@@ -10,7 +10,7 @@ const TEMPLATE = `
     <fieldset class="formbox">
       <legend class="counter">${translate('Choose data')}</legend>
       <input type="file" multiple autofocus onchange />
-      <input type="url" placeholder="${translate('Provide an URL here')}" onchange />
+      <input class="highlightable" type="url" placeholder="${translate('Provide an URL here')}" onchange />
       <textarea onchange placeholder="${translate('Paste your data here')}"></textarea>
       <div class="importers" hidden>
         <h4>${translate('Import helpers:')}</h4>