Working on UI improvement

resources/shaders/default_web.fragment

@@ -1,12 +1,13 @@
 precision mediump float;
 uniform sampler2D Texture;
+uniform float uAlpha;
 varying vec2 texCoord;
 
-void main() 
+void main()
 {
 	vec4 color = texture2D(Texture,texCoord).rgba;
     //gl_FragColor = vec4(color.rgb*0.1 + vec3(0.9, 0.9, 0.9), 1.0);
-	
-	gl_FragColor = color;
-	
+
+	gl_FragColor = vec4(color.rgb, color.a * uAlpha);
+
 }