body {
	background-color:lightblue;
	}
img {
  width: 90%; 
  height: auto;
  border-radius: 20px;
}
a:visited {
    color: #086A87;
}
a:hover {
    color: hotpink;
}
a {
    color: #01A9DB;
}table {
    border-collapse: collapse;
}

table, th, td {
    border: 1px solid black;
}
sub {
    vertical-align: sub;
    font-size: smaller;
}

#header {
    background-color:lightcyan;
    text-align:center;
    padding:5px;
    border-radius: 20px;
font-family: "Arial", Helvetica, sans-serif;
}
#nav {
    line-height:50px;
    background-color:#eeeeee;
    height:float;
    width:10%;
    float:left;
    padding:5px;
    border-radius: 20px;
font-family: "Arial", Helvetica, sans-serif;
}
#index {
    width:30%;
    float:left;
    padding:10px;
font-family: "Arial", Helvetica, sans-serif;
}
#section {
    width:65%;
    float:left;
    padding:10px;
font-family: "Arial", Helvetica, sans-serif;
}
#aside {
    width:15%;
    float:right;
    padding:10px;
font-family: "Arial", Helvetica, sans-serif;
}
#footer {
    clear:both;
    text-align:center;
    padding:5px;
font-family: "Arial", Helvetica, sans-serif;
}