diff --git a/script.js b/script.js
index da67351..c786c47 100644
--- a/script.js
+++ b/script.js
@@ -940,7 +940,7 @@ function goToNow() {
 
 function enterEdit() {
     const span = document.getElementById('cobieTime');
-    const val = span.textContent;
+    const val  = span.textContent;
     const input = document.createElement('input');
     input.id = 'cobieInput';
     input.value = val;
@@ -950,6 +950,9 @@ function enterEdit() {
     input.style.color = 'inherit';
     input.style.textAlign = 'center';
     input.style.width = '12ch';
+    // keep the input visually centered like the original span
+    input.style.display = 'block';
+    input.style.margin = '0 auto';
     span.replaceWith(input);
     input.focus();
     input.setSelectionRange(1, val.length);