feat/fix(responsividade/carrinhoVazio): Adiciona responsividade do carrinho cheio e corrige erro do carrinho vazio

checkout/src/arquivos/sass/checkout/_checkout-vazio.scss

@@ -3,34 +3,18 @@
 }
 
 .container-cart {
-    .active {
-        height: inherit;
-    }
 
-
-    @include mq(xs1, max) {
-        max-height: 64%;
-    }
-
-    .transactions-container {
+    .transactions-container,
+    .cart-vazio,
+    .empty-cart-message {
         display: none !important;
     }
 
-    .cart-vazio {
-        display: none !important;
-    }
-
-    .cart-active,
-    .cart-template {
-        height: 100%;
-    }
-
     .cart-template {
         margin: 0;
     }
 
     .empty-cart {
-
         &-content {
             position: absolute;
             top: 50%;

checkout/src/arquivos/sass/checkout/_checkout.scss

@@ -10,7 +10,8 @@ html {
 body {
     display: flex;
     flex-direction: column;
-    height: 100%;
+    justify-content: space-between;
+    min-height: 100%;
     padding-top: 0 !important;
     overflow: auto;
 
@@ -41,6 +42,11 @@ body {
     .container-order-form,
     .container-cart {
         width: 80%;
+
+        @include mq(md, max) {
+            width: 100%;
+            margin: 0;
+        }
     }
 
     .body-cart-block {

checkout/src/arquivos/sass/utils/_variaveis.scss

@@ -27,11 +27,13 @@ $color-green: #4caf50;
 
 /* Grid breakpoints */
 $grid-breakpoints: (
+    xss: 295px,
     xs: 320px,
     xs1: 345px,
     sm: 376px,
     sm2: 456px,
     sm3: 487px,
+    reset: 491px,
     sm4: 600px,
     sm5: 684px,
     sm6: 730px,