body {
  background-color: #222;
  color: white;
  font-family: "Segoe UI","Roboto","Oxygen","Ubuntu","Cantarell","Helvetica","Arial","Helvetica Neue",sans-serif;
  max-width: 1024px;
  margin: auto;
  padding: 1.3rem;
}

header {
  margin-bottom: 2rem;
}

h1 {
  margin: 0 0 .8rem 0;
  font-size: 1.8rem;
}

nav {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 1.3em;
}

nav span, nav a, nav a:visited, nav a:active, nav a:hover {
  color: #ffb300;
}

a, a:visited, a:active {
  color: white;
}

a:hover {
  color: #ff9;
}

footer {
  margin-top: 2rem;
}

.icon {
  display: inline-block;
  width: 1.3em;
  aspect-ratio: 1;
  vertical-align: middle;
}

.mask {
  background-color: currentColor;
}

.icon svg {
  fill: currentcolor;
  width: 100%;
  aspect-ratio: 1;
  vertical-align: middle;
}

.button {
  outline: none;
  box-sizing: border-box;
  margin: 0;
  padding: calc(.25em - 1px) 0.5em;
  font-family: inherit;
  font-size: 1em;
  border: 1px solid #ffb300;
  border-radius: 2px;
  display: inline-flex;
  gap: 4px;
  align-items: center;
  width: auto;
  cursor: pointer;
  text-decoration: none;
  text-align: center;
  vertical-align: middle;
  background: rgba(0, 0, 0, 0.3);
}

.button:focus{
  border: 1px solid white;
}

.button:not([visited]):hover {
  border: 1px solid #ffb300;
}

.button:visited:hover {
  border: 1px solid #ffb300;
}

.button:active{
  background-color: #fba200;
}