[enh] make result url green

searx/static/themes/oscar/less/logicodev/results.less

 .result_header {
-    margin-top: 6px;
-    margin-bottom: 4px;
+    margin-top: 0px;
+    margin-bottom: 2px;
     font-size: 16px;
 
     .favicon {
 
 }
 
-.external-link, .external-link a{
+.external-link {
     color: @green;
+    font-size: 11px;
+    font-weight:bold;
 
-    a{
+    a {
         margin-right: 3px;
     }
 }

searx/templates/oscar/macros.html

     <small>{{ result_link(proxify(result.url), icon('sort') + _('proxied'), "text-info") }}</small>
     {% endif %}
 </div>
-    <div class="text-muted"><small>{{ result.pretty_url }}</small></div>
+<div class="external-link">{{ result.pretty_url }}</div>
 {%- endmacro %}
 
 <!-- Draw result footer -->
     {% if proxify %}
     <small>{{ result_link(proxify(result.url), icon('sort') + _('proxied'), "text-info") }}</small>
     {% endif %}
-    <div class="text-muted"><small>{{ result.pretty_url }}</small></div>
+    <div class="external-link">{{ result.pretty_url }}</div>
 {%- endmacro %}
 
 {% macro preferences_item_header(info, label, rtl) -%}