Amélioration du style de la page

css/style.css

@@ -3,6 +3,44 @@ body, html {
     margin: 0;
 }
 
+/* HEADER and NAV */
+
+#main-header {
+    display: flex;
+    justify-content: start;
+    align-items: stretch;
+    flex-direction: row;
+
+    background: radial-gradient(black, transparent 50%);
+    background-size: 40rem 20rem;
+    background-repeat: no-repeat;
+    background-position: -15rem -10rem;
+
+    padding: 15px;
+    padding-bottom: 30px;
+
+    pointer-events: none;
+
+    & > * {
+        pointer-events: all;
+    }
+}
+
+@media screen and (max-width: 600px) {
+    #main-header {
+        flex-direction: column;
+        align-items: center;
+
+        background: linear-gradient(to bottom, black, transparent);
+    }
+}
+
+#main-header #logo {
+    max-height: clamp(2rem, 10vh, 5rem);
+}
+
+/* MAP */
+
 #map {
     width: 100vw;
     height: 100vh;
@@ -15,4 +53,16 @@ body, html {
 #search-section {
     margin-left: 50px;
     margin-top: 15px;
+}
+
+.leaflet-container .leaflet-control-attribution {
+    background: rgba(0, 0, 0, 0.5);
+    color: white;
+    padding: 5px;
+    border-bottom-left-radius: 5px;
+
+    & a {
+        color: inherit;
+        text-decoration: underline;
+    }
 }