Add style for color

frontend/src/component/colorActivity.js

@@ -26,3 +26,44 @@ export default function ColorActivity(){
     )
 
 }
+
+const styles = StyleSheet.create({
+    card: {
+         marginVertical: 20,
+         backgroundColor: "#fff",
+         paddingVertical: 8,
+         paddingHorizontal: 15,
+         padding: 15,
+         width: 380,
+         marginHorizontal: 20,
+         borderRadius: 30,
+         shadowColor: "#000",
+         shadowOffset: {
+             width: 2,
+             height: 2
+         },
+         shadowOpacity: 0.3,
+         shadowRadius: 1.5,
+ 
+     }, 
+     cardTitle: {
+         fontWeight: "bold",
+         fontSize: 30,
+         marginLeft: 10,
+     },
+     cardLocation: {
+         fontSize: 16,
+         color: "#777",
+         marginLeft: 10,
+     },
+     cardDescription: {
+         fontSize: 18,
+         marginVertical: 8,
+         marginLeft: 10,
+     },
+     cardImage: {
+         padding: 0,
+         flex: 0.4
+     }
+ 
+ })
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