*{
  margin: 0px;
  padding: 0px;
  box-sizing: border-box;
  font-family: 'Poppins', sans-serif;
}

:root{
  /* ===== Colors ===== */
  --body-color: rgb(50, 50, 50);
  --primary-color: rgb(80, 80, 80);

  /* ===== Transition ===== */
  --tran-02: all 0.2s ease;
  --tran-03: all 0.3s ease;
  --tran-04: all 0.4s ease;
  --tran-05: all 0.5s ease;
}

body{
  z-index: 0;
  display: flex;
  flex-direction: column;
  height: 100%;
  background-color: var(--body-color);
  transition: var(--tran-04);
  align-items: center;
}

.grid{
  display: grid;
  grid-template-columns: 4vw 4vw 4vw 4vw 4vw 4vw 4vw 4vw 4vw 4vw 4vw;
  margin-top: 10vh;
}

.item {
  color: var(--primary-color);
  border: none;
  padding: auto;
  font-size: 5vh;
  text-align: center;
}

.watermark{
  position: absolute;
  bottom: 20px;
}
.watermark a{
  text-decoration: none;
  color: mediumslateblue;
}