.indent_0_0 { 
	margin-top: 0px;
	margin-bottom: 0px; 
	}
.indent_0_10 {
	margin-top: 0px;
	margin-bottom: 10px; 
	}
.indent_0_20 {
	margin-top: 0px;
	margin-bottom: 20px; 
	}
.indent_0_30 {
	margin-top: 0px;
	margin-bottom: 30px; 
	}
.indent_10_0 { 
	margin-top: 10px;
	margin-bottom: 0px; 
	}
.indent_20_0 {
	margin-top: 20px;
	margin-bottom: 0px; 
	}
.indent_0_x { 
	margin-top: 0px;
	}
.indent_x_0 { 
	margin-bottom: 0px;
	}