.app-wrapper {
    display: grid;

    grid-template-areas:
  "h h"
  "n c";
    grid-template-rows: 100px 1fr;
    grid-template-columns: 2fr 10fr;

    width: 100%;
    margin: 0 auto;
}

.banner {
    width: 200px;
    height: 200px;
}

.app-wrapper-content {
    grid-area: c;
    background-color: #dadee0;
}