#single_topic_content h2{
	text-align: center;
}
#single_topic_content h5{
	text-align: center;
}

#single_topic_content img{
	margin:auto;
}

#single_topic_content #content{
	margin:auto;
	text-align: justify; 
	font-size:15px;
	font-family: Arial, Helvetica, sans-serif;
}
#single_topic_content .back_top{
	text-align: center;
	margin:auto;
}

@media (min-width: 768px) {
	#single_topic_content h2{ margin-top: 100px;margin-bottom:30px;}
	/*#single_topic_content img, #single_topic_content embed-responsive{ margin-top: 50px; margin-bottom: 100px;}*/
	#single_topic_content #content{width: 80%; margin-top: 50px;}
	img{max-height: 800px;}
}