* {
  box-sizing: border-box;
  padding: 0px;
  margin: 0px;
}

div#container {
  background-color: bisque;
  display: grid;
  grid-template-columns: 20px 80px 20px 1fr 20px 20px;
  grid-template-rows: 100px 20px 500px 40px 100px;
  grid-template-areas: ". .    header  header . . " ". nav  .       .      . . " ". nav  .       main   . . " ". nav  .       .      . . " "footer footer footer footer footer footer";
}
div#container > header {
  grid-area: header;
  height: 100px;
  background-color: aqua;
}
div#container > nav {
  grid-area: nav;
  background-color: coral;
}
div#container > nav > ul {
  list-style-type: none;
  display: flex;
  flex-direction: column;
}
div#container > main {
  grid-area: main;
  background-color: darkgray;
}
div#container > main > canvas {
  background-color: white;
  width: 100%;
  height: 450px;
  border: 3px solid #000000;
}
div#container > footer {
  grid-area: footer;
  background-color: lightgreen;
}/*# sourceMappingURL=mall.css.map */