*,
*::before,
*::after {
  box-sizing: border-box;
}

* {
  margin: 0;
}

body {
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
}

input,
button,
textarea,
select {
  font: inherit;
}

p,
h1,
h2,
h3,
h4,
h5,
h6 {
  overflow-wrap: break-word;
}

#root,
#__next {
  isolation: isolate;
}

/* ------------------------------------------------------------------------------ */
body {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  gap: 40px;
  width: 100%;
  height: 100vh;
  color: #c4c7c5;
  background-color: #121313;
  font-family: "Roboto", sans-serif;
}

h3 {
  font-weight: 500;
}

main {
  display: grid;
  width: 90%;
  max-width: 400px;
  aspect-ratio: 1;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(3, 1fr);
  gap: 10px;
  background-color: rgb(88, 88, 88);
}

.cell {
  background-color: #121313;
  position: relative;
  width: 100%;
  height: 100%;
}

.cross::before {
  content: "";
  position: absolute;
  width: 70%;
  aspect-ratio: 1;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  background-color: rgb(226, 255, 62);
  border-radius: 20px;
}

.circle::before {
  content: "";
  position: absolute;
  width: 70%;
  aspect-ratio: 1;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  background-color: rgb(62, 146, 255);
  border-radius: 100%;
}