@font-face {
  font-family: Roboto;
  src: url(./Roboto-Black.ttf);
}

* {
  box-sizing: border-box;
  padding: 0;
  margin: 0;
}

body {
  font-family: "Roboto";
  text-align: center;
}

header {
  margin: 20px;
  font-size: 2rem;
}

.container {
  display: flex;
  justify-content: center;
  align-content: center;
  gap: 5rem;
  margin: 100px;
}

.container > div {
  font-size: 10rem;
  border: 10px solid red;
  border-radius: 50px;
  user-select: none;
}

.container > div:hover {
  background-color: #03e2ff;
}

footer {
  font-size: 2rem;
  display: flex;
  flex-direction: column;
  gap: 20px;
}