[Search] Adjust buttons in the first run experience.

chrome/browser/resources/contextual_search/promo.css

Index: chrome/browser/resources/contextual_search/promo.css
diff --git a/chrome/browser/resources/contextual_search/promo.css b/chrome/browser/resources/contextual_search/promo.css
index 9a2649a4fada99b467215ddcfe61d432b8e2d0b2..309f4761d249b3c159d8f2d2a6657f5edc9971f3 100644
--- a/chrome/browser/resources/contextual_search/promo.css
+++ b/chrome/browser/resources/contextual_search/promo.css
@@ -16,26 +16,13 @@ body {
 }
 
 a {
-  color: #414141;
   text-decoration: none;
 }
 
-.colored {
+a.colored-link {
   color: rgb(66, 133, 244);
 }
 
-.label {
-  display: inline-block;
-  font-size: 14px;
-  font-weight: bold;
-  padding: 28px;
-  white-space: nowrap;
-}
-
-.label a {
-  text-transform: uppercase;
-}
-
 #button-container {
   text-align: right;
   width: 100%;
@@ -66,3 +53,33 @@ a {
   height: 100px;
   margin: 0 auto 24px auto;
 }
+
+.label {
+  display: inline-block;
+  font-size: 14px;
+  margin: 14px 0;
+  /* We use a slightly different top-bottom padding because Roboto has a
+     rendering bug which makes an extra padding to be rendered at the bottom of
+     text. */
+  padding: 17px 14px 13px 14px;
+  white-space: nowrap;
+}
+
+.label a {
+  text-transform: uppercase;
+}
+
+#optin-label {
+  background: rgb(66, 133, 244);
+  background-clip: padding-box;
+  border-radius: 3px;
+  margin-right: 24px;
+}
+
+#optin-label a {
+  color: white;
+}
+
+#optout-label a {
+  color: rgb(66, 133, 244);
+}