body {
    background-color: white;
    font-family: Helvetica, sans-serif;
    color:black;
    padding-top:2%;
    padding-left:8%;
    padding-right:8%;
}
header {
    text-align: center;
}
footer {
    text-align:center;
    font-size: small;
    padding-top:2%;
    padding-bottom:2%;
}
article {
font-size: medium;
}
h1 {
    font-size:xx-large;
}
h2 {
    font-size:x-large;
}
p {
    line-height: 1.5;
}
a:link {
 color:blue;
}
a:active {
    color:red;
   }
   a:avisited {
    color:purple;
   }