diff --git a/src/arquivos/sass/components/_newsletter.scss b/src/arquivos/sass/components/_newsletter.scss
index 8329454..9805614 100644
--- a/src/arquivos/sass/components/_newsletter.scss
+++ b/src/arquivos/sass/components/_newsletter.scss
@@ -3,7 +3,7 @@
 	background: linear-gradient(180deg, $blue-500 0%, $blue-600 100%);
 
 	&__wrapper {
-		@include mq(lg, min) {
+		@include mq(md, min) {
 			max-width: 698px;
 			margin: 0 auto;
 		}
diff --git a/src/arquivos/sass/partials/_header.scss b/src/arquivos/sass/partials/_header.scss
index bf80bc5..98695f3 100644
--- a/src/arquivos/sass/partials/_header.scss
+++ b/src/arquivos/sass/partials/_header.scss
@@ -9,6 +9,7 @@
 	@include mq(lg, min) {
 		position: sticky;
 		top: 0;
+		z-index: map-get($z-index, Level-5);
 	}
 
 	&.is-fixed {
diff --git a/src/arquivos/sass/partials/_menu.scss b/src/arquivos/sass/partials/_menu.scss
index 012ecbf..83a6cfd 100644
--- a/src/arquivos/sass/partials/_menu.scss
+++ b/src/arquivos/sass/partials/_menu.scss
@@ -63,6 +63,7 @@
 			z-index: map-get($z-index, Level-5);
 			transform: translate(-100%);
 			width: 100%;
+			max-width: 375px;
 			height: 100%;
 			background: $white-500;
 			transition: transform 0.2s ease-in-out;