body {
  background-color: #3b404e;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  font-family: Sans-Serif;
}

.container {
  display: grid;
  width: 800px;
  grid-template-columns: repeat(3, 1fr);
  grid-auto-rows: 100px;
  grid-gap: 1rem;
}

.item1 {
  grid-row: 0 / 3;
  grid-column: 0 / 3;
}

.item {
  background-color:#ffffff;


  color: #ffffffe6;
  border-radius: 0px;
  border: 1px solid #fff;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 18px;
  font-weight: normal;
  color: #3b404e;
}