body {
  font-family: Verdana, Geneva, Tahoma, sans-serif;
  background-color: rgb(0, 60, 120);
  background-image: url(squares.png);
  color: white;
}

#wrapper {
  margin: 0 auto;
  width: 65%;
  border: 1px solid black;
  box-shadow: 2px 2px 2px black;
}

header {
  font-size: 35px;
  font-weight: bold;
  text-align: center;
  color: #fed319;
  text-shadow: 0px 0px 10px #208dc3;
  padding: 15px;
  background-color: rgb(0, 30, 60);
}

img {
  margin: 8px;
  border: 2px solid #208dc3;
  float: right;
  height: auto;
  max-width: 480px;
}

ul {
  margin: 0;
  padding: 0;
  overflow: hidden;
  display: flex;
  justify-content: center;
  list-style-type: none;
  background-color: rgb(0, 45, 90);
}

ul li a {
  display: block;
  padding: 5px 10px;
  margin: 0 10px;
  background-color: black;
  font-weight: bold;
  text-decoration: none;
  color: white;
  text-align: center;
}

ul li a:hover {
  background-color: gray;
  color: turquoise;
}

main {
  padding: 7px;
  background-color: rgb(0, 70, 140);
}

table {
  border-collapse: collapse;
}

table,
th,
td {
  border: 2px solid #208dc3;
}

td {
  text-align: center;
  padding: 10px;
}

tr:nth-child(odd) {
  background-color: rgb(30, 50, 70);
}

tr:nth-child(even) {
  background-color: rgb(60, 80, 100);
}

footer {
  font-size: 75%;
  text-align: center;
  padding: 10px;
  color: default;
  background-color: rgb(0, 30, 60);
}