diff --git a/src/assets/css/style.css b/src/assets/css/style.css
index 762ba47..5af3ce8 100644
--- a/src/assets/css/style.css
+++ b/src/assets/css/style.css
@@ -18,3 +18,24 @@ header {
   align-items: center;
   background-color: #000;
 }
+
+/* SECTION1 */
+
+.sessao1 img {
+  width: 100%;
+  height: auto;
+}
+
+/* RESPONSIVIDADE -> CELULAR */
+
+@media screen and (max-width: 425px) {
+  .fundo-desktop {
+    display: none;
+  }
+}
+
+@media screen and (min-width: 426px) {
+  .fundo-mobile {
+    display: none;
+  }
+}
\ No newline at end of file