#container {
  display: grid;
  grid-template-areas:
    "header header header"
    "content1 content2 content3"
    "content4 content5 content3"
    "content6 content6 content7"
    "footer footer footer";
  grid-auto-rows: 120px;
  gap: 8px;
}

.header {
  display:flex;
  flex-direction: row;
  flex-flow: reverse;
  align-items: center;
  grid-area: header;
  background-color: #21f379;
}

.nav {
  margin-left: 60%;
  width: 40%;
  display: flex;
  justify-content: space-between;
  background-color: #f3e021;
  padding: 10px;
  margin-top: 5px;
}


.content {
  grid-area: content;
  background-color: #56f321;
}
.content1 {
  grid-area: content1;
  background-color: #c2f321;
}
.content2 {
  grid-area: content2;
  background-color: #21f3db;
}
.content3 {
  grid-area: content3;
  background-color: #f8c2ff;
  justify-content: center;
  align-items: center;
  display: flex;
}
.content4 {
  grid-area: content4;
  background-color: #f3215d;
}
.content5 {
  grid-area: content5;
  background-color: #ffffff;
}

.content6 {
  grid-area: content6;
  background-color: #f3bf21;
}
.content7 {
  grid-area: content7;
  background-color: #838383;
}
.footer {
  grid-area: footer;
  background-color: #de21f3;
}