div#TableAdd-topics{
	width: 200px;text-align: center;font-size: 16px;padding: 10px;margin-bottom: 10px;
}
div#admin_actions{
	background-color: #0a3f58;height: 30px;max-width: 515px;margin: auto;
}
div.active_box{
	float: left;
}
.table_clickable {
    float: left;cursor: pointer;height: 20px;width: 20px;color: #fff;border: 2px solid #fff;margin: 5px;font-size: 18px;line-height: 18px;
}
div#TableActionTH {
	float: left;
}
div#TableActionTH div.table_action{
	float: left;font-size: 18px;color: #fff;cursor: pointer;margin: 5px;
}
div.lesson{
	text-align:center;padding: 5px; height: 70px; border: 1px solid #ccc;margin: 5px;cursor: pointer;
}
div.lesson h2{
	font-size: 25px; line-height: 25px;
}
div.lesson a{
	color: #000; 
}
div.lesson:hover{
	background-color: #ccc;
}
div.board{
	margin: 10px;
	padding: 10px;
}
div.board div.button{
	padding: 8px;
}
div.hw_button{
	width: 49%;
    text-align: center;
    font-size: 16px;
    background-color: #0a3f58;
    padding: 5px;
    color: #fff;
}
div.right{
	float: right;
	margin-right: 30px;
}
div.left{
	float: left;
	margin-left: 30px;
}