@import url("https://fonts.googleapis.com/css2?family=Ubuntu:ital@0;1&display=swap");

* {
  box-sizing: border-box;
  color-scheme: dark;
}
body {
  font-family: "Ubuntuc", sans-serif;
}

section {
  max-width: 450px;
  margin: auto;
  display: grid;
  grid-template-rows: 1fr auto;
  grid-template-columns: 1fr 1fr;
  grid-template-areas:
    "h1  h1"
    "span  span";

  grid-gap: 5px;
}
section h1 {
  grid-area: h1;
  text-align: center;
}

span {
  display: inline-block;
  height: 30px;
  color: black;
  font-weight: bold;
  padding: 8px 25px;
  text-align: center;
  grid-area: span;
  cursor: pointer;
}

span::selection {
  color: coral;
}

.w {
  color: #f2f2f2;
}

footer {
  position: fixed;
  bottom: 0;
  left: 50%;
  transform: translate(-50%, -20%);
}