Add CSS

css/style.css

@@ -0,0 +1,110 @@
+/* Réinitialisation des marges et padding par défaut */
+* {
+  margin: 0;
+  padding: 0;
+  box-sizing: border-box;
+}
+
+/* Style global */
+body {
+  font-family: Arial, sans-serif;
+  background-color: #f4f4f9;
+  color: #333;
+  line-height: 1.6;
+}
+
+header {
+  background-color: #3e4a61;
+  color: white;
+  padding: 20px 0;
+  text-align: center;
+}
+
+header h1 {
+  font-size: 2.5rem;
+}
+
+nav ul {
+  list-style-type: none;
+}
+
+nav ul li {
+  display: inline;
+  margin-right: 20px;
+}
+
+nav ul li a {
+  text-decoration: none;
+  color: white;
+  font-weight: bold;
+}
+
+section {
+  padding: 20px;
+  margin: 20px 0;
+}
+
+section h2 {
+  font-size: 2rem;
+  margin-bottom: 20px;
+}
+
+article h3 {
+  font-size: 1.5rem;
+  margin-top: 10px;
+}
+
+article p {
+  font-size: 1rem;
+  color: #555;
+}
+
+.gallery {
+  display: flex;
+  gap: 20px;
+}
+
+.gallery img {
+  width: 45%;
+  border-radius: 8px;
+}
+
+form {
+  display: flex;
+  flex-direction: column;
+  max-width: 500px;
+  margin: 0 auto;
+}
+
+form label {
+  margin: 10px 0 5px;
+  font-size: 1rem;
+}
+
+form input,
+form textarea {
+  padding: 10px;
+  margin-bottom: 15px;
+  border: 1px solid #ccc;
+  border-radius: 5px;
+}
+
+form button {
+  background-color: #3e4a61;
+  color: white;
+  padding: 10px;
+  border: none;
+  border-radius: 5px;
+  cursor: pointer;
+}
+
+form button:hover {
+  background-color: #2c3e50;
+}
+
+footer {
+  text-align: center;
+  padding: 20px 0;
+  background-color: #3e4a61;
+  color: white;
+}