body {
  font-family: "Courier New", Courier, monospace;
  background-color: black;
  color: green;
  text-align: center;
  font-weight: bold;
  margin: 0;
  padding: 0;
}

table {
  margin: auto;
  border-collapse: collapse;
  width: 80%;
}

table th,
table td {
  border: 1px solid green;
  padding: 10px;
  text-align: center;
}

h1 {
  margin: 20px 0;
}

a {
  color: lime;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* Flashing warning */
.flashing-error {
  animation: flash 1s infinite;
  background-color: red;
  color: white;
  font-weight: bold;
  text-align: center;
}

@keyframes flash {
  0% {
    background-color: red;
  }
  50% {
    background-color: darkred;
  }
  100% {
    background-color: red;
  }
}

/* Background/percentage bar */
td {
  padding: 8px;
  position: relative;
  border: 1px solid #ccc;
  text-align: center;
}

td[data-percentage] {
  background: linear-gradient(
    to right,
    rgb(177, 162, 0) var(--percentage),
    transparent var(--percentage)
  );
}