*{	
	margin:0 auto 0 auto;
	padding:0;
   }
  
body{
width: 960px;
margin: auto;
background-color: black;
font-family: "Lucida Console", Monaco, monospace;
color:white;
font-size:40px;
text-align:center;
position:relative;
	}

nav{	display:inline;
    clear:both;
    width:750px;
    margin:0 auto;
    padding:0px;
      }

nav ul	{list-style:none;
		display:table;
        margin:0 auto 0 auto;}
       

nav li	{list-style:none;
		display:inline;
		width:180px;
		height:40px;
        padding:5px;
		text-align:center;
        margin:0 20px 10px 20px;
		text-decoration:none;
        text-align:center;
        font-size:20px;
        color:white;
        font-family:"Lucida Console", Monaco, monospace;
                     }
          
nav li a,nav li a:visited{	text-decoration:none;
                        text-align:center;
                        font-size:20px;
                        color:white;
                       font-family:"Lucida Console", Monaco, monospace;
				padding:5px;
                        }

nav li a:hover{	background:white;
				color:black;
				border-radius:10px;
                 }		 
	
#container{
			border:white solid 1px;
			border-radius:20px;
			margin:15px 0 0 0;
			min-height:650px;
			padding:0px;
			position:relative;
			
			}

#rockets
	{
		height:618px;
		width:80px;
		margin: 0px;
		padding:16px 0;
		text-align: center;
		float:right;
		}
	
#topics {
		color:black;
		min-height:520px;
		width:870px;
		margin: 10px 0px 10px 10px;
		padding: 0;
		border-radius:20px;
		background:white;
		z-index: 1;
	}
	
.question{
	height:290px;
	width:270px;
	padding:10px;
	float:left;
}
	
header h1
	{	float:left;
		width:870px;
		font-size: 40px;
		padding: 5px 0;
		height: 44px;
		background:black;
		color:white;
		border-radius:20px;
	}

h2 {
	font-size: 30px;
}

h3 {
	font-size: 25px;
	padding:15px;
}

.button{
	cursor:pointer;
}
	
.column	{
		min-height:440px;
		width:830px;
		padding:15px;
		}
       
ul li{
	font-size:20px;
		list-style:none;
		text-align:left;
		cursor:pointer;
}
       
ul ul li{
	font-size:18px;
		list-style:none;
		text-align:left;
		padding:0 30px;
		cursor:pointer;
}

       
ul ul ul li{
	font-size:15px;
		text-align:left;
		list-style:none;
		padding:0 30px;
		cursor:default;
}

.hide{
		display:none;
	}
	
span{
	padding:0 30px;
}