Napassung von home.php und der main.css fuer responsive design

css/main.css

@@ -1,3 +1,50 @@
+/** Standard Layout */
+main {
+  max-width:1200px;
+  margin: 0 auto;
+  padding: 20px;
+  font-family: Arial;
+}
+
+.flexbox {
+  display: flex;
+  flex-direction: column;
+  gap: 20px;
+  margin-top: 30px;
+}
+
+.container {
+  border: 1px solid #ddd;
+  padding: 15px;
+  border-radius: 8px;
+  background-color: #f9f9f9;
+  transition: transform 0.2s;
+}
+
+.category-link {
+  display: block;
+  text-align: center;
+  text-decoration: none;
+  font-weight: none;
+  padding: 10px;
+  background-color: #007bff;
+  color: white;
+  border-radius: 4px;
+  margin-bottom: 10px;
+}
+
+.article-link a {
+  color: orange;
+  text-decoration: none;
+}
+
+/** Anpassung fuer grosse Monitore */
+@media (min-width: 1024px) {
+  .container {
+    padding 25px
+  }
+}
+
 body {
   background-color: coral;
 }