a:link {
  color: #007FFF;
  background-color: transparent;
  text-decoration: none;
}
a:visited {
  color: #007FFF;
  background-color: transparent;
  text-decoration: none;
}
h1 {
  font-size: 40px;
  font-weight:bold
}

h2 {
  font-size: 30px;
  font-weight:bold
}

h3 {
  font-size: 20px;
  font-weight:bold
}

p {
  font-size: 15px;
}

td {
  font-size: 15px;
  text-align: center;
}

li {
  font-size: 15px;
}

@media (prefers-color-scheme: dark) {
  body {
    color: white;
    background: black;
  }

  .symbol {
    filter: invert(100%);
    width: 20px;
    height: 20px;
  }
}
.button {
  color: #007FFF;
}

@media (prefers-color-scheme: light) {
  body {
    color: black;
    background: white;
  }

  .symbol {
    width: 20px;
    height: 20px;
  }
}