html {
	margin: 0;
	padding: 0;
	border: 0;
}

.float_div {
	float:left;
}

.img_margin_b {
	margin-bottom: 1px;
}

.img_margin_b_zero {
	margin-bottom: 0px;
}

.img_margin_r {
	margin-right: 1px;
}

.img_margin_br {
	margin-bottom: 1px;
	margin-right: 1px;
}

.img_border {
	border:#204000; 1px solid;
}