.main_contaner {
	margin-left: auto;
	margin-right: auto;
	width: 1020px
}

.container_12 {
	margin-left: auto;
	margin-right: auto;
	width: 960px	
}

.grid_1, .grid_2, .grid_3, .grid_4, .grid_5, .grid_6, .grid_7, .grid_8, .grid_9, .grid_10, .grid_11, .grid_12, .grid_13, .grid_14, .grid_15, .grid_16 {
	display: inline;
	float: left;
	position: relative;
	margin-left: 10px;
	margin-right: 10px
}
#foto_topo{  
  background-image:url(../img/art_right.jpg);
  background-repeat: no-repeat;  
  height:430px;
  
}
.container_12 .grid_3, .container_16 .grid_4 {
	width: 220px
}
.container_12 .grid_6, .container_16 .grid_8 {
	width: 460px
}
.container_12 .grid_9, .container_16 .grid_12 {
	width: 700px
}
.container_12 .grid_12, .container_16 .grid_16 {
	width: 940px
}
.alpha {
	margin-left: 0
}
.omega {
	margin-right: 0
}
.container_12 .grid_1 {
	width: 60px
}
.container_12 .grid_2 {
	width: 140px
}
.container_12 .grid_4 {
	width: 300px
}
.container_12 .grid_5 {
	width: 380px
}
.container_12 .grid_7 {
	width: 540px
}
.container_12 .grid_8 {
	width: 620px
}
.container_12 .grid_10 {
	width: 780px
}
.container_12 .grid_11 {
	width: 860px
}
.container_12 .prefix_3, .container_16 .prefix_4 {
	padding-left: 240px
}
.container_12 .prefix_6, .container_16 .prefix_8 {
	padding-left: 480px
}
.container_12 .prefix_9, .container_16 .prefix_12 {
	padding-left: 720px
}
.container_12 .prefix_1 {
	padding-left: 80px
}
.container_12 .prefix_2 {
	padding-left: 160px
}
.container_12 .prefix_4 {
	padding-left: 320px
}
.container_12 .prefix_5 {
	padding-left: 400px
}
.container_12 .prefix_7 {
	padding-left: 560px
}
.container_12 .prefix_8 {
	padding-left: 640px
}
.container_12 .prefix_10 {
	padding-left: 800px
}
.container_12 .prefix_11 {
	padding-left: 880px
}
.container_12 .suffix_3, .container_16 .suffix_4 {
	padding-right: 240px
}
.container_12 .suffix_6, .container_16 .suffix_8 {
	padding-right: 480px
}
.container_12 .suffix_9, .container_16 .suffix_12 {
	padding-right: 720px
}
.container_12 .suffix_1 {
	padding-right: 80px
}
.container_12 .suffix_2 {
	padding-right: 160px
}
.container_12 .suffix_4 {
	padding-right: 320px
}
.container_12 .suffix_5 {
	padding-right: 400px
}
.container_12 .suffix_7 {
	padding-right: 560px
}
.container_12 .suffix_8 {
	padding-right: 640px
}
.container_12 .suffix_10 {
	padding-right: 800px
}
.container_12 .suffix_11 {
	padding-right: 880px
}
.container_12 .push_3, .container_16 .push_4 {
	left: 240px
}
.container_12 .push_6, .container_16 .push_8 {
	left: 480px
}
.container_12 .push_9, .container_16 .push_12 {
	left: 720px
}
.container_12 .push_1 {
	left: 80px
}
.container_12 .push_2 {
	left: 160px
}
.container_12 .push_4 {
	left: 320px
}
.container_12 .push_5 {
	left: 400px
}
.container_12 .push_7 {
	left: 560px
}
.container_12 .push_8 {
	left: 640px
}
.container_12 .push_10 {
	left: 800px
}
.container_12 .push_11 {
	left: 880px
}
.container_12 .pull_3, .container_16 .pull_4 {
	left: -240px
}
.container_12 .pull_6, .container_16 .pull_8 {
	left: -480px
}
.container_12 .pull_9, .container_16 .pull_12 {
	left: -720px
}
.container_12 .pull_1 {
	left: -80px
}
.container_12 .pull_2 {
	left: -160px
}
.container_12 .pull_4 {
	left: -320px
}
.container_12 .pull_5 {
	left: -400px
}
.container_12 .pull_7 {
	left: -560px
}
.container_12 .pull_8 {
	left: -640px
}
.container_12 .pull_10 {
	left: -800px
}
.container_12 .pull_11 {
	left: -880px
}
.clear {
	clear: both;
	display: block;
	overflow: hidden;
	visibility: hidden;
	width: 0;
	height: 0
}
.clearfix:after {
	clear: both;
	/* content: ' '; */
	display: block;
	font-size: 0;
	line-height: 0;
	visibility: hidden;
	width: 0;
	height: 0
}
* html .clearfix {
	height: 1%
}