#mainbanner {
	width: 950px;
	display: block;
	margin: 10px auto;
}
body {
	font-size: 12px;
	color: #333;
	margin: 0px;
	padding: 0px;
}
li {
	list-style: url(../images-u/development-board-and-peripheral-modules/list_dot.jpg) outside;
	margin-top: 5px;
}
ul {
	padding-left: 30px;
	margin-top: 0px;
}


#column {
	width: 950px;
	margin-right: auto;
	margin-left: auto;
	/* [disabled]height: 1280px; */
	margin-bottom: 50px;
	overflow: hidden;
}
.module_demo {
	background: url(../images-u/development-board-and-peripheral-modules/demo_bg.jpg);
	height: 110px;
	width: 140px;
	padding-top: 15px;
	margin-top: 10px;
}

#content {
	left: 0px;
	top: 0px;
}
.block_module {
	height: 320px;
	width: 470px;
	background: url(../images-u/development-board-and-peripheral-modules/module_bg.jpg);
	overflow: hidden;
	float: left;
	margin-right: 2px;
	margin-left: 2px;
}
.block_module420 {
	height: 460px;
	width: 470px;
	background: url(../images-u/development-board-and-peripheral-modules/module_bg420.jpg);
	overflow: hidden;
	float: left;
	margin-right: 2px;
	margin-left: 2px;
}

.block_module_89c52 {
	height: 200px;
	width: 470px;
	background: url(../images-u/development-board-and-peripheral-modules/89c52/module_bg.png);
	overflow: hidden;
	float: left;
	margin-right: 2px;
	margin-left: 2px;
	/* [disabled]margin-top: 10px; */
}
.block_left {
	float: left;
	width: 160px;
	/* [disabled]height: 280px; */
	padding-left: 20px;
	padding-top: 20px;
	z-index: auto;
}
.block_right {
	float: right;
	width: 290px;
	/* [disabled]height: 300px; */
	padding-top: 20px;
}


.head_module {
	margin-left: 10px;
	margin-top: 50px;
}

.block_module {
	height: 350px;
    width: 470px;
	/* background: url(../images-u/development-board-and-peripheral-modules/module_bg.jpg); */
    
    overflow: hidden;
    float: left;
    margin-right: 2px;
    margin-left: 2px;
    background-repeat: no-repeat;
	-webkit-border-radius: 5px;
-moz-border-radius: 5px;
border-radius: 5px;
}

.block_module2021 {
	height: 350px;
    width: 470px;
	/* background: url(../images-u/development-board-and-peripheral-modules/module_bg.jpg); */
    
    overflow: hidden;
    float: left;
    margin-right: 2px;
    margin-left: 2px;
    background-repeat: no-repeat;
	-webkit-border-radius: 5px;
	-moz-border-radius: 5px;
	border-radius: 5px;
}