.container {
  display: grid;
  grid-template-areas:
    "header header header"
    "one one five"
    "two two six"
    "two two seven"
    "three four seven"
    ;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr 1fr 1fr 1fr;
  gap: 3px;
  background-color: rgb(0, 0, 0);
  padding: 5px;
}

.container div {
  background-color: white;
  padding: 10px;
}

.container div.header {
  grid-area: header;
  text-align: center;
}

.container div.one {
  grid-area: one;
}

.container div.two {
  grid-area: two;
  text-align: center;
  font-size: 30px;
}

.container div.three {
  grid-area: three; 
  align-items: center;
}

.container div.four {
  grid-area: four; 
}

.container div.five {
  grid-area: five; 
}

.container div.six {
  grid-area: six; 
  align-items: center;
}

.container div.seven {
  grid-area: seven; 
  font-size: 20px;
}