diff --git a/less/color.less b/less/color.less
index e05a52d..87b6df8 100644
--- a/less/color.less
+++ b/less/color.less
@@ -50,3 +50,9 @@
 @orcid-color: #A6CE39;
 /* Argos */
 @argos-color: #17BEBB;
+/* Social */
+@twitter-color: #55ACEE;
+@facebook-color: #3A5998;
+@linkedin-color: #1F88BE;
+@slideshare-color: #002E3C;
+@youtube-color: #FF0312;
diff --git a/less/totop.less b/less/totop.less
index 1ad84b6..b23d260 100644
--- a/less/totop.less
+++ b/less/totop.less
@@ -1,4 +1,4 @@
-@totop-padding: 16px;
+@totop-padding: 10px;
 @totop-border-radius: 500px;
 
 @totop-color: @global-emphasis-color;
@@ -19,6 +19,7 @@
 
 .hook-totop-hover() {
   box-shadow: @totop-hover-box-shadow;
+  text-decoration: none;
 }
 
 .hook-totop-active() {