[enh] oscar_template: improve result visualisation

* highlight parts of result
* add link to archiv.to
* fix little bugs
* add little icons
* change style of "show map" button

searx/static/oscar/less/oscar/cursor.less

@@ -2,3 +2,7 @@
 .cursor-text {
     cursor: text !important;
 }
+
+.cursor-pointer {
+    cursor: pointer !important;
+}

searx/static/oscar/less/oscar/results.less

@@ -1,3 +1,27 @@
+
+.result_header {
+    margin-bottom:5px;
+    margin-top:20px;
+
+    .favicon {
+        margin-bottom:-3px;
+    }
+    
+    a {
+        vertical-align: bottom;
+        
+        .highlight {
+            font-weight:bold;
+        }
+    }
+}
+
+.result-content {
+    .highlight {
+        font-weight:bold;
+    }
+}
+
 // default formating of results
 .result-default {
     clear: both;
@@ -24,6 +48,11 @@
     clear: both;
 }
 
+// map formating of results
+.result-map {
+    clear: both;
+}
+
 // suggestion
 .suggestion_item {
     margin: 2px 5px;