.normal_content_50_50 {
	position: relative;
	width: 100%;
	border: 0px solid black;
}
.normal_left_50 {
	position: relative;
	float: left;
	width: 48%;
	bordeR: 0px solid red;
}
.normal_right_50 {
	position: relative;
	float: right;
	width: 48%;
	border: 0px solid green;
}