diff --git a/main.c b/main.c
index 274f1e9..76414df 100644
--- a/main.c
+++ b/main.c
@@ -25,6 +25,7 @@ typedef struct {
     Vector2 mouse_pos;
 
     Font font;
+    S32 font_size;
 } global_state;
 
 global_state state;
@@ -76,10 +77,8 @@ B32 activity_button(Rectangle rect, char *title, char *subtitle,
     if(subtitle_font_size <= 0.0f)
         subtitle_font_size = font_size;
 
-    Vector2 title_font_d =
-        MeasureTextEx(state.font, title, (float)font_size, 2);
-    Vector2 subtitle_font_d =
-        MeasureTextEx(state.font, subtitle, (float)subtitle_font_size, 2);
+    Vector2 title_font_d = MeasureTextEx(state.font, title, (float)font_size, 2);
+    Vector2 subtitle_font_d = MeasureTextEx(state.font, subtitle, (float)subtitle_font_size, 2);
 
     if(CheckCollisionPointRec(state.mouse_pos, rect)) {
         if(IsMouseButtonPressed(MOUSE_BUTTON_LEFT))
@@ -87,16 +86,8 @@ B32 activity_button(Rectangle rect, char *title, char *subtitle,
     }
 
     DrawRectangleRounded(rect, 0.2f, 100, background_color);
-    DrawTextEx(state.font, title,
-       (Vector2){
-           (rect.x + rect.width / 2.0f - title_font_d.x / 2.0f),
-           (rect.y + rect.height / 2.0f - title_font_d.y / 2.0f)
-       }, font_size, 2, font_color);
-    DrawTextEx(state.font, subtitle,
-       (Vector2){
-           (rect.x + rect.width / 2.0f - subtitle_font_d.x / 2.0f),
-           (rect.y + rect.height / 2.0f - subtitle_font_d.y / 2.0f) + 20.0f
-       }, subtitle_font_size, 2, font_color);
+    DrawTextEx(state.font, title, (Vector2){ (rect.x + rect.width / 2.0f - title_font_d.x / 2.0f), (rect.y + rect.height / 2.0f - title_font_d.y / 2.0f) }, font_size, 2, font_color);
+    DrawTextEx(state.font, subtitle, (Vector2){ (rect.x + rect.width / 2.0f - subtitle_font_d.x / 2.0f), (rect.y + rect.height / 2.0f - subtitle_font_d.y / 2.0f) + 20.0f }, subtitle_font_size, 2, font_color);
 
     return button_pressed;
 }
@@ -235,7 +226,7 @@ int main(int argc, char *argv[])
     }
 
     FILE *f;
-    f = fopen(file_path, "r+");
+    f = fopen(file_path, "a+");
     if(!f) {
         fprintf(stderr, "fopen(%s) failed: %s\n", file_path, strerror(errno));
         return 1;
@@ -296,7 +287,7 @@ int main(int argc, char *argv[])
     S32 window_h = 500;
 
     InitWindow(window_w, window_h, "Time Tracker");
-    SetWindowState(FLAG_MSAA_4X_HINT | FLAG_WINDOW_RESIZABLE);
+    SetWindowState(FLAG_MSAA_4X_HINT|FLAG_WINDOW_RESIZABLE);
 
     SetTargetFPS(30);
 
@@ -310,15 +301,12 @@ int main(int argc, char *argv[])
     SetTextureFilter(state.font.texture, TEXTURE_FILTER_BILINEAR);
 
     // Initialize to default activity at the start.
-    // NOTE: We can potentially make the default a non-state, so the users
-    //       choose themselves.
     activities[current_activity].type = other;
     activities[current_activity].color = RED;
     activities[current_activity].began = now();
     activities[current_activity].ended = lower_bound_s;
 
-    // TODO: Move into game state.
-    int font_size = 30;
+    state.font_size = 30;
 
     // DisableEventWaiting();
     // EnableEventWaiting();
@@ -394,7 +382,7 @@ int main(int argc, char *argv[])
                 snprintf(activities_stats[i].seconds_str, sizeof(activities_stats[i].seconds_str), "%02llu:%02llu:%02llu", time.hours, time.minutes, time.seconds);
 
                 Rectangle rect = { (padding_x*(i+1))+(width*i), 60, width, (window_h-70) };
-                if(activity_button(rect, activity_type_string_representation[i], activities_stats[i].seconds_str, font_size, (activities[current_activity].type == i ? WHITE : BLACK), activity_type_color_representation[i])) {
+                if(activity_button(rect, activity_type_string_representation[i], activities_stats[i].seconds_str, state.font_size, (activities[current_activity].type == i ? WHITE : BLACK), activity_type_color_representation[i])) {
                     if(activities[current_activity].type != i) {
                         switch_activity(activities, &current_activity, i, now_s);
                     }
@@ -404,7 +392,7 @@ int main(int argc, char *argv[])
 
                 char index_buf[8];
                 snprintf(index_buf, sizeof(index_buf), "%d", i + 1);
-                DrawTextEx(state.font, index_buf, (Vector2){ rect.x + 10.0f, rect.y + 10.0f }, font_size - 5.0f, 2, BLACK);
+                DrawTextEx(state.font, index_buf, (Vector2){ rect.x + 10.0f, rect.y + 10.0f }, state.font_size - 5.0f, 2, BLACK);
             }
         EndDrawing();