diff --git a/lib/widget.js b/lib/widget.js
index a0994eb..5f3bc67 100644
--- a/lib/widget.js
+++ b/lib/widget.js
@@ -412,8 +412,8 @@ Screen.prototype._listenMouse = function(el) {
       width = ret.xl - ret.xi;
       height = ret.yl - ret.yi;
 
-      if (data.x > left && data.x <= left + width
-          && data.y > top && data.y <= top + height) {
+      if (data.x >= left && data.x < left + width
+          && data.y >= top && data.y < top + height) {
         el.emit('mouse', data);
         self.emit('element mouse', el, data);
         if (data.action === 'mouseup') {
@@ -1048,19 +1048,6 @@ Screen.prototype.setEffects = function(el, fel, over, out, effects, temp) {
     el = function() { return _el; };
   }
 
-  Object.keys(effects).forEach(function(key) {
-    var val = effects[key];
-    if (typeof val === 'string') {
-      effects[key] = val;
-    } else if (val && typeof val === 'object' && !Array.isArray(val)) {
-      // TODO: Remove this now that colors are handled lazily.
-      Object.keys(effects[key]).forEach(function(k) {
-        var v = effects[key][k];
-        effects[key][k] = v;
-      });
-    }
-  });
-
   fel.on(over, function() {
     Object.keys(effects).forEach(function(key) {
       var val = effects[key];
@@ -1125,8 +1112,8 @@ function Element(options) {
   // this.position.padding = options.padding || 0;
   // this.position.margin = options.margin || 0;
 
-  this.fg = options.fg;
-  this.bg = options.bg;
+  this.fg = cens(options.fg);
+  this.bg = cens(options.bg);
   this.bold = options.bold;
   this.underline = options.underline;
   this.blink = options.blink;
@@ -1142,8 +1129,8 @@ function Element(options) {
   this.border = options.border;
   if (this.border) {
     this.border.type = this.border.type || 'bg';
-    this.border.fg = this.border.fg;
-    this.border.bg = this.border.bg;
+    this.border.fg = cens(this.border.fg);
+    this.border.bg = cens(this.border.bg);
     this.border.ch = this.border.ch || ' ';
   }
 
@@ -2048,6 +2035,8 @@ Text.prototype.__proto__ = Box.prototype;
  */
 
 function Line(options) {
+  var self = this;
+
   if (!(this instanceof Line)) {
     return new Line(options);
   }
@@ -2061,17 +2050,22 @@ function Line(options) {
     options.height = 1;
   }
 
+  this.ch = !options.type || options.type === 'ascii'
+    ? orientation === 'horizontal' ? '─' : '│'
+    : options.ch || ' ';
+
   options.border = {
     type: 'bg',
-    bg: options.bg,
-    fg: options.fg,
-    ch: !options.type || options.type === 'ascii'
-      ? orientation === 'horizontal' ? '─' : '│'
-      : options.ch || ' '
+    get fg() { return self.fg; },
+    get bg() { return self.bg; },
+    get ch() { return self.ch; },
+    set fg(c) { self.fg = c; },
+    set bg(c) { self.bg = c; },
+    set ch(c) { self.ch = c; }
   };
 
-  delete options.bg;
   delete options.fg;
+  delete options.bg;
   delete options.ch;
 
   Box.call(this, options);
@@ -2100,8 +2094,8 @@ function ScrollableBox(options) {
 
   this.scrollbar = options.scrollbar;
   if (this.scrollbar) {
-    this.scrollbar.fg = this.scrollbar.fg;
-    this.scrollbar.bg = this.scrollbar.bg;
+    this.scrollbar.fg = cens(this.scrollbar.fg);
+    this.scrollbar.bg = cens(this.scrollbar.bg);
     this.scrollbar.ch = this.scrollbar.ch || ' ';
   }
 }
@@ -2165,8 +2159,8 @@ function List(options) {
   this.ritems = [];
   this.selected = 0;
 
-  this.selectedBg = options.selectedBg;
-  this.selectedFg = options.selectedFg;
+  this.selectedBg = cens(options.selectedBg);
+  this.selectedFg = cens(options.selectedFg);
   this.selectedBold = options.selectedBold;
   this.selectedUnderline = options.selectedUnderline;
   this.selectedBlink = options.selectedBlink;
@@ -2933,7 +2927,7 @@ Button.prototype.press = function() {
   this.emit('press');
   if (this.border && this.options.defaultEffects) {
     var color = this.border.fg;
-    this.border.fg = 2;
+    this.border.fg = 'green';
     this.screen.render();
     setTimeout(function() {
       self.border.fg = color;
@@ -2956,8 +2950,8 @@ function ProgressBar(options) {
     this.filled = +this.filled.slice(0, -1);
   }
   this.ch = options.ch || ' ';
-  this.barFg = options.barFg;
-  this.barBg = options.barBg;
+  this.barFg = cens(options.barFg);
+  this.barBg = cens(options.barBg);
   this.orientation = options.orientation || 'horizontal';
 }
 
@@ -4059,6 +4053,12 @@ function sattr(obj, fg, bg) {
     | colors.convert(bg);
 }
 
+function cens(color) {
+  return color != null
+    ? color
+    : -1;
+}
+
 /**
  * Expose
  */