#powrotglowna{
    		font-size: 30px;
		}
		body{
			margin: 0px;
		}
		#a{
			width: 800px;
			height: 8000px;
			background-color: darkred;
		}
		.diwy{
			width: 80px;
			height: 65px;
			background-color: black;
			margin: 10px 0px;
		}
		.special{
			width: 160px;
			height: 130px;
			background-color: blue;
			position: absolute;
			top: 490px;
			left: 490px;
		}
		.class1{
			background-color: yellow;
			width: 160px;
			height: 130px;
			position: absolute;
			top: 500px;
			left: 500px;
			z-index: 1;
		}
		.class2{
			background-color: darkgreen;
			width: 160px;
			height: 130px;
			position: absolute;
			top: 510px;
			left: 510px;
		}