diff --git a/box.c b/box.c
index 3d17b10..d5f23b6 100644
--- a/box.c
+++ b/box.c
@@ -18,9 +18,12 @@
 
 
 static void draw_rectangle(double x, double y, double width, double height);
-static void draw_chart(struct box *, double x, double y, double width, double height);
-static void draw_container(struct box *, double x, double y, double width, double height);
-static void draw_button(struct box *, double x, double y, double width, double height);
+static void draw_chart(struct box *, double x, double y, double width,
+    double height);
+static void draw_container(struct box *, double x, double y, double width,
+    double height);
+static void draw_button(struct box *, double x, double y, double width,
+    double height);
 
 
 void
@@ -52,17 +55,17 @@ draw_rectangle(double fx, double fy, double fwidth, double fheight)
     }
 
     for (size_t i = 1; i < h; i++) {
-    ui_char(x + w, y + i, '|');
+        ui_char(x + w, y + i, '|');
     }
 
     /* horizontal borders */
 
     for (size_t i = 1; i < w; i++) {
-    ui_char(x + i, y, '-');
+        ui_char(x + i, y, '-');
     }
 
     for (size_t i = 1; i < w; i++) {
-    ui_char(x + i, y + h, '-');
+        ui_char(x + i, y + h, '-');
     }
 }    
 
@@ -86,22 +89,23 @@ draw_chart(struct box *chart, double x, double y, double width, double height)
     actual_diff = 0;
 
     for (size_t i = 0; i < width; i++) {
-    diff = (double)rand() / RAND_MAX - 0.6;
-    actual_diff =  (size_t)(height + y - price) - (size_t)(height + y - (price + diff));
+        diff = (double)rand() / RAND_MAX - 0.6;
+        actual_diff =  (size_t)(height + y - price)
+                       - (size_t)(height + y - (price + diff));
 
-    if (actual_diff > 0)  {
-    color = UI_GREEN;
-    } else if (actual_diff == 0) {
-    color = UI_NONE;
-    } else if (actual_diff < 0) {
-    color = UI_RED;
-    }
+        if (actual_diff > 0)  {
+            color = UI_GREEN;
+        } else if (actual_diff == 0) {
+            color = UI_NONE;
+        } else if (actual_diff < 0) {
+            color = UI_RED;
+        }
 
-    ui_color_on(color);
-    ui_char(x + i, height + y - price, c);
-    ui_color_off(color);
+        ui_color_on(color);
+        ui_char(x + i, height + y - price, c);
+        ui_color_off(color);
 
-    price += diff;
+        price += diff;
     }
 }
 
@@ -124,32 +128,36 @@ draw_container(struct box *b, double x, double y, double width, double height)
 
     switch (b->type) {
     case BOX_VERTICAL:
-    length = height;
-    current = y;
-    break;
+        length = height;
+        current = y;
+        break;
     case BOX_HORIZONTAL:
-    length = width;
-    current = x;
-    break;
+        length = width;
+        current = x;
+        break;
     }
     
     total_fills = 0;
     for (size_t i = 0; i < b->length; i++) {
-    total_fills += b->children[i]->fills;
+        total_fills += b->children[i]->fills;
     }
 
     pixels_per_fill = length / total_fills;
 
     for (size_t i = 0; i < b->length; i++) {
-    child = b->children[i];
-    length = child->fills * pixels_per_fill;
+        child = b->children[i];
+        length = child->fills * pixels_per_fill;
 
-    switch (b->type) {
-    case BOX_VERTICAL:   draw_box(child, x, current, width, length);  break;
-    case BOX_HORIZONTAL: draw_box(child, current, y, length, height); break;
-    }
+        switch (b->type) {
+        case BOX_VERTICAL:
+            draw_box(child, x, current, width, length);
+            break;
+        case BOX_HORIZONTAL:
+            draw_box(child, current, y, length, height);
+            break;
+        }
 
-    current += length;
+        current += length;
     }
 }