body {
    background-color: darkslategrey;
    color: lavender;
}
header {
    text-align: center;
    padding-bottom: 25px;
}
.main {
    width: 500px;
    height: 1000px;
    padding-left: 20px;
    padding-right: 20px;
    margin: auto;
    background-color: slategray;
}
section {
    text-align: center;
    padding-top: 10px;
    line-height: 10px;
}
a:link {
    color: lavender;
}
a:visited {
    color: lavender;
}
footer {
    text-align: center;
    padding-top: 30px;
}