main.css

html{
    height: 100%;
    background: radial-gradient(circle, #fff, #ccc);
    background: -webkit-radial-gradient(circle, #fff, #ccc);   
    background: -o-radial-gradient(circle, #fff, #ccc);   
    background: -moz-radial-gradient(circle, #fff, #ccc);
}

@font-face{
	font-family: "header";
	src:url('fonts/header.ttf');
	font-style: normal;
	font-weight: normal;
}
@font-face{
	font-family: "sort";
	src:url('fonts/sorting.ttf');
	font-style: normal;
	font-weight: normal;
}
@keyframes swing{
	0%{transform: rotate(-180deg);}
	50%{transform: rotate(30deg);}
	75%{transform: rotate(-30deg);}
	100%{transform: rotate(0deg);}
}
#links{
	display: relative;
	position:fixed;
	top:20px;
	left:15px;
	width:50px;
}
#links img{
	width:40px;
	height: 40px;
	animation: swing 2.2s;
	margin-left: 15px;
	margin-top: 10px;
}



body{
	padding:0px;
	margin: 0px;
}

#main{
	margin: 0px;
	padding: 0px;
	position: absolute;
	min-height: 100%;
	width:60%;
	left:20%;
	margin:0 auto 0 auto;
	padding: 0;
	background-color:white;
	box-shadow: 0 0 18px rgba(0,0,0,0.5);
}

#nav{
	padding:0;
	text-align: center;
	padding: 0px;
	margin-bottom: 40px;
	height:55px;
}
#nav li{
	margin-left:1px;
	padding-top: 0px;
	font-size: 2em;
	font-family: 'header','sans-serif';
	display: inline;
	list-style-type: none;
}
#nav li a{
	color:black;
	text-shadow: 0.8px 1.4px 2px black;
	text-decoration: none;
	transition: all 1s;
}
#nav li a:hover{
	text-shadow: none;
	color:gray;
}
#border{
	border-bottom: 5px solid black;
	position: relative;
	top:-50px;
}
#content{
	margin-left: 15px;
	margin-right: 15px;
}
#content p{
	font-family: sans-serif;
}

#photo{
	display: flex;
	justify-content: center;
}
table, th, td {
    border: 1px solid black;
    border-collapse: collapse;
    text-align: center;

}
#table{
	margin: 0px auto; 
}
#myVectorContent {
	width:70%;
	padding-left: 15%;
	text-align: center;
	font-size: 1.2em;
}
#myVectorContent p{
	font-family: "Helvetica";
}
#pBeforeTable{
	margin-bottom: 30px;
}

#deque{
	margin:20px auto 40px auto;
}
#measureCode{
	padding: 10px;
	margin-bottom: 20px;
}

#measure{
	font-weight: bold;
}
#vector{
	border:4px solid black;
	padding: 0px;
	margin-bottom: 20px;
}
#vectorTittle{
	font-size: 1.5em;
}
#algorithm_Window{
	width:760px;
	margin-left: 20%;
}
#algorithmGif{
	margin-left: 35%;

}
h1{	
	position: relative;
	top:-30px;
	margin-left: 35%;
	font-size:3em;
	font-family: 'sort';
	text-decoration: underline;
}
#header{
	position: relative;
	top:-30px;
	margin-left: 18%;
	font-size:2.3em;
	font-family: 'sort';
	text-decoration: underline;
}
#main_explanation{
	margin-left: 10%;
	margin-right: 10%;
	font-family: "Helvetica";

}
#insert_ul li{
		margin-bottom: 8px;
}

.bottom_margin_3_5em{
	margin-bottom: 3.5em;
}


#time{
	font-weight: bold;
	color:red;
}
#centerText{
	text-align: center;
	font-size: 1.3em;
}


#bottom{
	text-align: center;
	width:100%;
	height: 6em;
	list-style-type: none;
	background-color:rgba(222,222,222,0.7);
	border-top: 1px gray solid;
	}
#bottom ul{
	padding-top: 20px;
}
#bottom ul li{
	display: inline

}
#bottom a{
	color:black;
	margin-left: 20px;
	font-size: 1.3em;
	text-decoration: none;
}
#indexBottom{
	position: relative;
	bottom: 0px;
	text-align: center;
	width:100%;
	height: 6em;
	list-style-type: none;
}