@charset "utf-8";
body {
    background-color: black;
    color: white;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 95vh;
    position: relative;
    text-align: center;
}

body.block {
    display: block;
}

a {
    text-decoration: none;
    font-weight: bold;
    color: blue;
}

ul, ol {
  list-style: none;
  border-top: solid yellow 2px;
  border-bottom: solid yellow 2px;
  padding: 0.5em 0 0.5em 1.5em;
}

ul li, ol li {
  line-height: 1.5;
  padding: 0.5em 0;
}

summary {
  font-weight:bold;
  font-size : 24px;
}

footer {
    margin-top: 40px;
    border-top: 2px solid aqua;
    padding-top: 20px;
    padding-bottom: 20px;
}