.grid-container {
  width: 500px;
  height: 400px;
  text-align: center;
  border: 1.5px solid var(--text-color);
  display: grid;
  grid-template-rows: repeat(6, 1fr);
  grid-template-columns: 1fr 1fr [navbar-end content-start]  repeat(10, 1fr);
  grid-template-areas: 
    'h h h h h h h h h h h h'
    'n n c c c c c c c c c c'
    'n n c c c c c c c c c c'
    'n n c c c c c c c c c c'
    'n n c c c c c c c c c c'
    'n n f f f f f f f f f f';
  gap: 2px;
}

.grid-item {
   border: 1.5px solid var(--text-color);
}

.grid-container .header {
  grid-area: h;
/*   grid-column: 1/-1;
  grid-row: 1/2; */
}

.grid-container .navbar {
  grid-area: n;
/*   grid-column: 1/navbar-end;
  grid-row: 2/-1; */
}

.grid-container .footer {
  grid-area: f;
/*   grid-column: content-start/-1;
  grid-row: -2/-1; */
}

.grid-container .meta {
  grid-column: -3 / -1;
  grid-row: 2 / 4;
}

.grid-container .content {
  grid-area: c;
/*   grid-column: content-start/-2;
  grid-row: 2/-2; */
}


:root {
  --bg-color: #3057e1;
  --text-color: #fefefe;
}
body,
html {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  background: var(--bg-color);
  color: var(--text-color);
  overflow-x: hidden;
  font-family: 'Avenir', Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  position: relative;
  font-size: 24px;
  display: flex;
  justify-content: center;
  align-items: center;
}
body::before {
  pointer-events: none;
  content: '';
  position: absolute;
  width: 100%;
  height: 100%;
  opacity: 0.18;
  background-size: 50px 50px;
  background-image: linear-gradient(
      transparent 0%,
      transparent 98%,
      var(--text-color) 98%,
      var(--text-color) 100%
    ),
    linear-gradient(
      90deg,
      transparent 0%,
      transparent 98%,
      var(--text-color) 98%,
      var(--text-color) 100%
    );
}