diff --git a/emscripten_shell.html b/emscripten_shell.html
index 0f3a78b..6abad18 100644
--- a/emscripten_shell.html
+++ b/emscripten_shell.html
@@ -8,6 +8,7 @@
 	<style>
 		body {
 			margin: 0;
+			background-color: black;
 		}
 	</style>
 </head>
diff --git a/main.cpp b/main.cpp
index c4bc0f3..2a99190 100644
--- a/main.cpp
+++ b/main.cpp
@@ -62,9 +62,9 @@ auto operator+(SDL_Point a, SDL_Point b) {
 
 using clock = std::chrono::steady_clock;
 
-constexpr int width = 2000;
-constexpr int height = 1000;
-constexpr auto steps_per_second = 1'000'000;
+constexpr int width = 1024;
+constexpr int height = 512;
+constexpr auto steps_per_second = 10'000;
 
 template <auto EF>
 struct [[nodiscard("give this a name so SDL_Quit is called at the end"
@@ -189,7 +189,7 @@ int main() try {
 	);
 	sdl_check(SDL_SetRenderTarget(renderer, texture));
 	sdl_check(
-		SDL_SetRenderDrawColor(renderer, 0xff, 0xff, 0xff, SDL_ALPHA_OPAQUE)
+		SDL_SetRenderDrawColor(renderer, 0x00, 0x00, 0x00, SDL_ALPHA_OPAQUE)
 	);
 	sdl_check(SDL_RenderClear(renderer));
 
@@ -203,10 +203,10 @@ int main() try {
 	     {.pos = middle, .col = html2sdl_color(0x4C3BCF)},
 	     {.pos = middle, .col = html2sdl_color(0x4B70F5)},
 	     {.pos = middle, .col = html2sdl_color(0x3DC2EC)} */
-	     {.pos = middle, .col = html2sdl_color(0x006769)},
-	     {.pos = middle, .col = html2sdl_color(0x40A578)},
-	     {.pos = middle, .col = html2sdl_color(0x9DDE8B)},
-	     {.pos = middle, .col = html2sdl_color(0xE6FF94)}
+	     {.pos = middle, .col = html2sdl_color(0x000000)},
+	     {.pos = middle, .col = html2sdl_color(0x150050)},
+	     {.pos = middle, .col = html2sdl_color(0x3F0071)},
+	     {.pos = middle, .col = html2sdl_color(0xFB2576)}
 	    }
 	);