*{
	margin: 0;
	padding: 1%;
	background-color: #f2f2f2;
}

.main 
{
	 margin-left: 100px;
	 margin-right: 100px;
	 margin-top: 20px;
	 margin-bottom: 50px;
	 box-shadow: 2px 2px 20px 20px rgba(0, 0, 0, 0.3);
}

.back 
{
	margin-top: -10px;
	margin-bottom: 10px;
	margin-left: -15px;
}

.back:hover
{
    background-color: #e6b800;
    color: black;
    font-weight: bolder;
}



.topic h1
{
	font-family: sans-serif;
	font-size: 40px;
}

.topic h2
{
	font-family: sans-serif;
	font-size: 27px;
}

.topic p
{
    font-family: sans-serif;
    font-size: 23px;
    line-height: 30px;
}

.topic dl
{
	font-size: 20px;
	font-family: sans-serif;
	margin-left: 36px;
}

.topic ul
{
	font-size: 18px;
	font-family: sans-serif;
	margin-left: 36px;
}