diff --git a/checkout/src/arquivos/sass/checkout/_checkout.scss b/checkout/src/arquivos/sass/checkout/_checkout.scss
index 8cfe2a8..98c2eb7 100644
--- a/checkout/src/arquivos/sass/checkout/_checkout.scss
+++ b/checkout/src/arquivos/sass/checkout/_checkout.scss
@@ -16,9 +16,14 @@ footer .footerCheckout__wrapper {
     width: 94.9734%;
     margin: auto auto 0 auto;
 }
+
+header {
+    width: 100%;
+    border-bottom: 1px solid $color-black2;
+}
+
 footer .footerCheckout__prateleira,
 header {
-    width: 79.53125%;
     margin: 0 auto;
 }
 
diff --git a/checkout/src/arquivos/sass/partials/_header.scss b/checkout/src/arquivos/sass/partials/_header.scss
index eebcbf2..a4950b4 100644
--- a/checkout/src/arquivos/sass/partials/_header.scss
+++ b/checkout/src/arquivos/sass/partials/_header.scss
@@ -1,9 +1,8 @@
 /* _header.scss */
 .headerCheckout {
-    padding: 29px 0;
-
     .container {
-        width: auto !important;
+        width: 79.53125%;
+        padding: 29px 0;
 
         #progressBar {
             width: 439px;
@@ -103,22 +102,24 @@
     }
 
     &__wrapper {
-        display: grid;
-		grid-template-columns: 2fr 1fr 2fr;
-		align-items: center;
+        align-items: center;
+        display: flex;
+        justify-content: space-between;
     }
 
     &__logo {
+        width: 15.284%;
+
         img {
-            height: 52px;
-            width: auto;
+            width: 100%;
+            height: auto;
         }
     }
 
     &__safeBuy {
         display: flex;
         align-items: center;
-        justify-content: flex-end;
+        justify-content: center;
         gap: 8px;
 
         span {
@@ -130,7 +131,7 @@
             font-weight: normal;
             font-size: 12px;
             line-height: 16px;
-            color: $color-gray6;
+            color: $color-black;
         }
 
         img {