.bricks {
         width: 960px;
	 background-image: url(brick1.jpg)
	}
.big{font-size: 500%;
     color: #990099;
    }
.brick3 {
        width:373px;
        height:190px;
        float:right;
	text-align: center;
	border-style:ridge;
	background-image: url(brick.jpg)
	}
.brick4{ 
        width:570px;
        height:190px;
        float:left;
	text-align: center;
	border-style:ridge;
	background-image:url(brick.jpg)
	}
.brick1 {
        width:373px;
	height:190px;
        float:left;
	text-align: center;
	border-style:ridge;
	background-image:url(brick.jpg)
	   }
.brick2 {
        width:570px;
	height:190px;
        float:right;
	text-align: center;
	border-style:ridge;
	background-image:url(brick.jpg)
	}