[Library | Assets]: Add provide observatory logos. Add circle li

git-svn-id: https://svn.driver.research-infrastructures.eu/driver/dnet40/modules/uoa-services-library/trunk/ng-openaire-library/src/assets@59524 d315682c-612b-4755-9ff5-7f18f6832af3

library-css/portal.scss

@@ -61,3 +61,8 @@
 .portal-link:hover {
   text-decoration: underline !important;
 }
+
+/* Icon */
+.portal-icon svg > * {
+  fill: var(--portal-main-color);
+}

library-css/utils.scss

@@ -96,3 +96,12 @@ h2 .custom-external {
 .uk-button.copy {
   border-radius: 0;
 }
+
+ul > li > .circle {
+  border-radius: 50%;
+  padding: 1px;
+}
+
+ul > li > .circle.uk-light svg > * {
+  stroke: #ffffff;
+}