diff --git a/src/index.js b/src/index.js
index 2f92243..6602861 100644
--- a/src/index.js
+++ b/src/index.js
@@ -240,7 +240,7 @@ export default class Gantt {
         this.setup_dates(maintain_pos);
         this.render();
         if (maintain_pos) {
-            this.$container.scrollLeft =old_pos;
+            this.$container.scrollLeft = old_pos;
             this.options.scroll_to = old_scroll_op;
         }
         this.trigger_event('view_change', [mode]);
@@ -846,7 +846,7 @@ export default class Gantt {
                 last_date,
                 this.options.language,
             ),
-            upper_y: 15,
+            upper_y: 17,
             lower_y: this.options.upper_header_height + 5,
         };
     }
diff --git a/src/styles/gantt.css b/src/styles/gantt.css
index e5ba2a1..5d5da89 100644
--- a/src/styles/gantt.css
+++ b/src/styles/gantt.css
@@ -75,6 +75,7 @@
         position: sticky;
         top: 0;
         left: 0;
+        border-bottom: 1px solid var(--g-row-border-color);
         z-index: 1000;
     }
 
@@ -106,7 +107,7 @@
         position: absolute;
         width: fit-content;
         font-weight: 500;
-        font-size: 16px;
+        font-size: 14px;
         color: var(--g-text-dark);
         height: calc(var(--gv-lower-header-height) * 0.66);
     }
@@ -114,7 +115,7 @@
     & .current-upper {
         position: sticky;
         left: 0 !important;
-        padding: 0 15px;
+        padding-left: 17px;
         background: white;
     }
 
@@ -129,9 +130,10 @@
         font-weight: 400;
         width: max-content;
         margin-left: auto;
-        padding-right: 15px;
+        padding-right: 10px;
         padding-top: 10px;
         background: var(--g-header-background);
+        display: flex;
     }
 
     & .side-header * {
@@ -145,7 +147,6 @@
         border: none;
         padding: 5px 8px;
         color: var(--g-text-dark);
-        position: sticky;
         font-size: 14px;
         letter-spacing: 0.02em;
         font-weight: 420;
@@ -325,7 +326,7 @@
             cursor: pointer;
 
         & .bar {
-            outline: 1px solid black;
+            outline: 1px solid var(--g-row-border-color);
             border-radius: 3px;
         }
 
diff --git a/src/styles/light.css b/src/styles/light.css
index 1b3d7c8..1b1be11 100644
--- a/src/styles/light.css
+++ b/src/styles/light.css
@@ -1,9 +1,9 @@
 :root {
-    --g-arrow-color: #d7b15b;
+    --g-arrow-color: #1f2937;
     --g-bar-color: #fff;
     --g-bar-border: #fff;
-    --g-tick-color-thick: #e0e0e0;
-    --g-tick-color: #ebeef0;
+    --g-tick-color-thick: #e2e8f0;
+    --g-tick-color: #f1f5f9;
     --g-actions-background: #f3f3f3;
     --g-border-color: #ebeff2;
     --g-text-muted: #7c7c7c;
@@ -15,6 +15,7 @@
     --g-expected-progress: #c4c4e9;
     --g-header-background: #fff;
     --g-row-color: #fdfdfd;
+    --g-row-border-color: #cbd5e1;
     --g-today-highlight: #37352f;
     --g-popup-actions: #ebeff2;
     --g-weekend-highlight-color: #f7f7f7;