Adjust layout

style.css

@@ -1,30 +1,13 @@
 body {
     max-width: 1200px;
     color: #1A161A;
-    font-size: 1em;
-    font-family: 'Roboto', Arial, sans-serif;
-    font-weight: 300;
     background-color: #33A5CB;
 }
 
-body header div {
+header {
+    box-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
     margin-top: 0px;
     padding: 0 10px 0 10px;
-}
-
-body div {
-    color: #1A161A;
-    background-color: #FFF;
-    margin-top: 20px;
-    padding: 20px;
-}
-
-h1, h2, h3 {
-    color: #1A161A;
-    text-align: center;
-}
-
-header {
     width: 100%;
     top: 0;
     left: 0;
@@ -32,26 +15,26 @@ header {
     background: #fff;
     transition: all 0.3s ease;
     height: 60px;
-    padding-top: 20px;
     position: fixed;
 }
 
-header div {
-    padding-right: 2em;
-    padding-left: 2em;
-}
-
-header div img {    
+header img {    
+    margin-top: 10px;
     height: 35px;
 }
 
-header li a {
+header nav {
+    display: flex;
+    gap: 1rem;
+    flex-wrap: wrap;
+}
+
+header nav a {
     margin: 0;
     padding: 0.25em 10px;
     border: 0;
     float: left;
     width: 100%;
-    padding: 3px 10px 3px 10px;
     color: #1A161A;
     font-size: 1.250em;
     text-decoration: none;
@@ -61,34 +44,49 @@ header li a {
     height: 30px;
 }
 
-header li a:hover {
+header nav a:hover {
     color: #fff;
     transition: all 0.5s ease;
     background: #33A5CB;
     text-decoration: none;
 }
 
-nav ul {
-    display: flex;
-    list-style: none;
-    gap: 1rem;
-    padding: 0;
-    margin: 0;
+article {
+    color: #1A161A;
+    background-color: white;
+    padding: 20px;
+    margin-top: 20px;
+    border-radius: 8px;
+    box-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
+}
+
+article#kontakt {
+    background-image: url('Release11logo_szare.svg');
+    background-position: center;   /* Center the image */
+    background-repeat: no-repeat;  /* Prevent tiling */
+}
+
+article#oferta {
+    height: 20px;
+}
+
+h1, h2, h3 {
+    color: #1A161A;
+}
+
+h1 {
+    padding-left: 20px;
+}
+
+h2 {
+    padding-left: 20px;
 }
 
 div ul {
-    display: flex;
-    list-style: none;
-    gap: 1rem;
-    padding: 0;
+    padding-left: 50px;
     margin: 0;
 }
 
-footer {
-    background-color: #242424;
-    width: 100%;
-}
-
 footer div {
     display: flex;
     background-color: #fff;