Add Week-01 and Week-02 content

Week-01/Day_03/style.css

@@ -0,0 +1,50 @@
+body {
+    font-family: 'Arial', sans-serif;
+    background-color: #f4f4f9;
+    color: #333;
+    line-height: 1.6;
+    margin: 0;
+    padding: 20px;
+}
+
+.container {
+    max-width: 600px;
+    margin: 0 auto;
+}
+
+.card {
+    background: white;
+    padding: 20px;
+    margin-bottom: 20px;
+    border-radius: 8px;
+    border-left: 5px solid #007bff;
+    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
+}
+
+h1 {
+    color: #007bff;
+    text-align: center;
+}
+
+.skills-list {
+    list-style-type: square;
+}
+
+.active {
+    color: green;
+    font-weight: bold;
+}
+
+.btn {
+    display: inline-block;
+    background: #007bff;
+    color: white;
+    padding: 10px 20px;
+    text-decoration: none;
+    border-radius: 5px;
+    transition: background 0.3s;
+}
+
+.btn:hover {
+    background: #0056b3;
+}