body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  margin: 0;
  padding: 0;
  background-color: #000000;
}

header {
    font-size: 1.5rem;
    padding: 2vw;
    background-color: #000000;
    margin-bottom: 10px;
    color: rgb(255, 255, 255);
    font-weight: bold;
    display: flex;
    justify-content: center;
    align-items: center;
}

.grid{
    display: grid;
    gap: 10px;
    grid-template-columns: repeat(6, 1fr);
    grid-template-rows: repeat(7, 12vh);
    grid-template-areas: 
        "nav nav nav menu . ."
        "hr hr hr ca as as"
        "hr hr hr ca as as"
        "hr hr hr ca as as"
        "hr hr hr cb as as"
        "hr hr hr cb as as"
        "hr hr hr cb as as"
    ;
}

.cell {
    color: black;
    font-weight: bold;
    display: flex;
    justify-content: center;
    align-items: center;
}

.cell-1 {
    grid-area: nav;
    background-color: #fbff00;
}

.cell-6 {
    grid-area: menu;
    background-color: #ffffff;
}

.cell-2 {
    font-size: 3rem;
    grid-area: hr;
    background-color: #ff0000;
}

.cell-3 {
    grid-area: ca;
    background-color: #00aeff;
}
.cell-4 {
    grid-area: cb;
    background-color: #fbff00;
}

.cell-5 {
    grid-area: as;
    background-color: #ffffff;
}

footer {
    font-size: 1.5rem;
    padding: 2vw;
    background-color: #000000;
    margin-top: 10px;
    color: rgb(255, 255, 255);
    font-weight: bold;
    display: flex;
    justify-content: center;
    align-items: center;
}


@media screen and (max-width: 800px) {
    .grid {
        grid-template-areas: 
            "nav nav nav nav menu menu"
            "hr hr hr hr hr hr"
            "hr hr hr hr hr hr"
            "hr hr hr hr hr hr"
            "ca ca ca ca ca ca"
            "cb cb cb cb cb cb"
            "as as as as as as"
        ;
    }
}