:root {
  background: #222222;
  font-size: 16px;
  color: #FFFFFF;
}

main {
  max-width: 700px;
  margin: 1.25em auto;
  padding: 0 1.25em;

  h1 {
    width: 100%;
    text-align: center;
    font-size: 1.5em;
  }
}

header {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  justify-items: center;

  div {
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
  }

  img {
    width: 8rem;
    height: 8rem;

    @media screen and (max-width: 640px) {
      width: 6.5rem;
      height: 6.5rem;
    }

    @media screen and (max-width: 500px) {
      width: 5rem;
      height: 5rem;
    }
  }

  .metals-value {
    font-size: 1.5em;
  }

  #gold h3 {
    color: #FFD700;
  }

  #silver h3 {
    color: #C0C0C0;
  }

  #platinum h3 {
    color: #E5E4E2;
  }
}

section {
  border: 2px solid steelblue;
  color: #000000;
  font-weight: 800;
  font-size: 1.25em;

  .metals {
    display: flex;
    justify-content: space-between;
    border-bottom: 2px solid steelblue;
    background: #FFD700;

    span {
      width: 50%;
      padding: 10px;

      &:last-child {
        border-left: 2px solid steelblue;
      }
    }
  }
}