diff --git a/board/style.css b/board/style.css
new file mode 100644
index 0000000..45aead7
--- /dev/null
+++ b/board/style.css
@@ -0,0 +1,70 @@
+body {
+    font-family: Arial, sans-serif;
+    margin: 0;
+    padding: 0;
+    background-color: #f4f4f4;
+}
+
+.container {
+    width: 80%;
+    margin: 0 auto;
+    padding: 20px;
+    background-color: white;
+    border-radius: 8px;
+    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
+}
+
+h1 {
+    text-align: center;
+}
+
+#user-info {
+    text-align: right;
+}
+
+#post-form {
+    margin-top: 20px;
+    display: flex;
+    flex-direction: column;
+    align-items: center;
+}
+
+#post-content {
+    width: 80%;
+    height: 100px;
+    padding: 10px;
+    border: 1px solid #ccc;
+    border-radius: 8px;
+    margin-bottom: 10px;
+}
+
+button {
+    padding: 10px 20px;
+    background-color: #4CAF50;
+    color: white;
+    border: none;
+    border-radius: 5px;
+    cursor: pointer;
+}
+
+button:hover {
+    background-color: #45a049;
+}
+
+#posts-section {
+    margin-top: 20px;
+}
+
+.post {
+    padding: 10px;
+    border-bottom: 1px solid #ddd;
+    margin-bottom: 10px;
+}
+
+.post .username {
+    font-weight: bold;
+}
+
+.post .content {
+    margin-top: 10px;
+}