.teacherDevlopment_all {
	margin-top: 10px;
	margin-right: 10px;
	width: 100%;
	padding: 0;
	height: 100%;
}
.teacherDevlopment_content {
	margin: 0px;
	padding: 0px;
	max-width: 1000px;
}
.teacherDevlopment_left {
	margin: 0px;
	padding: 0px;
	width: 200px;
	float: left;
}
.teacherDevlopment_right {
	margin: 0px;
	padding: 0px;
	width: 800px;
	float: left;
}

@media (max-width: 480px) {
	.teacherDevlopment_right {
		width: 100%;
		float: none;
	}
	.teacherDevlopment_left{
		width: 100%;
		float: none;
	}
}