the background is white around the line

style.css

@@ -3,7 +3,6 @@ body {
     background-blend-mode: overlay;
     background-position: center;
 }
-
 /* Timeline item animations */
 .timeline-item {
     opacity: 0;
@@ -11,11 +10,17 @@ body {
     transition: all 0.6s ease-out;
 }
 
+.timeline-wrapper {
+    background: transparent !important;
+}
 .timeline-item.visible {
     opacity: 1;
     transform: translateY(0);
 }
 
+#timeline-container {
+    background: transparent !important;
+}
 /* Button hover effects */
 #downloadPng:hover, #generateGif:hover, #downloadGif:hover {
     transform: translateY(-2px);