body {
  background: black;
  color: lightgreen;
}

a {
  color: orange;
}

a:hover {
  color: yellow;
}

button {
  background:black;
  color:red;
  border: solid 2px;
}


button {
  background:black;
  color:red;
  border: solid 2px;
}

button:hover {
  background:#ffff96;
  color:red;
  border: solid 2px aliceblue;
}

table, th, td {
    border: solid 1px lightgreen;
}