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

div#container {
  background-color: #303030;
  min-height: 100vh;
  display: -ms-grid;
  display: grid;
  -ms-grid-columns: 20px 20px 1fr 20px 20px;
      grid-template-columns: 20px 20px 1fr 20px 20px;
  -ms-grid-rows: 100px 20px 1fr 40px 100px;
      grid-template-rows: 100px 20px 1fr 40px 100px;
      grid-template-areas: "header header header header header"
 "   .            .     .      .      .   "
 "   .          .    main    .      .   "
 "   .           .     .      .      .   "
 "footer footer footer footer footer";
}

div#container > header {
  background-color: #555555;
  -ms-grid-row: 1;
  -ms-grid-column: 1;
  -ms-grid-column-span: 5;
  grid-area: header;
  height: 100px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
}

div#container > nav {
  background-color: blue;
  grid-area: nav;
}

div#container > nav > ul {
  list-style-type: none;
}

div#container > main {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  -ms-grid-row: 3;
  -ms-grid-column: 3;
  grid-area: main;
  height: 100%;
}

div#container > main > picture > img,
div#container > main > picture source {
  width: 100%;
}

div#container > footer {
  background-color: #3d3d3d;
  -ms-grid-row: 5;
  -ms-grid-column: 1;
  -ms-grid-column-span: 5;
  grid-area: footer;
}
/*# sourceMappingURL=mall.css.map */