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

  -webkit-tap-highlight-color: transparent;
  -moz-tap-highlight-color: transparent;
}

:root {
  --background: #1d1d1f;
  --primary-color: #3d3c40;
  --secondary-color: #4d4b52;
  --font-color: #f1f0f5;
  --cell-size: calc(((clamp(300px, 100vmin, 500px) - 100px) / 3));
}

body {
  background-color: var(--background);
  font-family: "Poppins", sans-serif;
}

main {
  position: absolute;
  height: calc(var(--cell-size) * 3 + 250px);
  overflow: hidden;
  color: var(--font-color);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-around;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  margin: auto;
}

section {
  display: grid;
  grid-template-columns: repeat(3, var(--cell-size));
  gap: 20px;
}

section > div {
  position: relative;
  padding-top: 100%;
  border-radius: 10px;
  background-color: var(--primary-color);
  display: grid;
  place-items: center;
  font-weight: bolder;
  cursor: pointer;
}

section > div:hover {
  background-color: var(--secondary-color);
}

section > div > p {
  position: absolute;
  font-size: clamp(40px, 12vmin, 90px);
  user-select: none;
}

button {
  padding: 5px 10px;
  font-size: 30px;
  color: var(--font-color);
  font-weight: bolder;
  cursor: pointer;
  background: none;
  outline: none;
  border: none;
}