diff --git a/src/lib/GitHubCalendar.svelte b/src/lib/GitHubCalendar.svelte
index 49edc5b..88c6ec2 100644
--- a/src/lib/GitHubCalendar.svelte
+++ b/src/lib/GitHubCalendar.svelte
@@ -145,6 +145,10 @@
 				font-size: 11px !important;
 			}
 
+            .contrib-column span {
+                color: #000 !important;
+            }
+
 			.contrib-column-first {
 				border-left: 0 !important;
 			}
@@ -192,6 +196,10 @@
 				height: 26px !important;
 			}
 
+            .calendar .text-muted {
+                color: inherit !important;
+            }
+
 			.left.text-muted {
 				float: left !important;
 				margin-left: 9px !important;