Add highlighting style for placeholders

This is in accordance with Google's developer documentation style guide.

1 files changed, 4 insertions, 0 deletions

diff --git a/static/main.css b/static/main.css
index 16659888..9ae7df0f 100644
--- a/static/main.css
+++ b/static/main.css
@@ -52,6 +52,10 @@ code {
     border-radius: 2.5px;
 }
 
+var {
+    color: #ba1a1a;
+}
+
 #site-menu ul {
     display: flex;
     flex-wrap: nowrap;