mmc/styles.css

:root {
    --grid-template-areas:
    "header header header header header header header header header header"
    "kp kp ka ka vp vp bs bs be be"
    "kp kp kr kr vp vp de de be be"
    "mb mb mb mb mb if if if if if"
    "footer footer footer footer footer footer footer footer footer footer";
    --grid-template-columns: repeat(10, 1fr);
    --grid-template-rows: auto repeat(3, 1fr) auto;
}

@media (width < 40em) {
    :root {
        --grid-template-areas:
        "header"
        "be"
        "bs" 
        "de" 
        "vp" 
        "kp"
        "ka" 
        "kr" 
        "mb" 
        "if"
        "footer";
        
        --grid-template-columns: 1fr;
        --grid-template-rows: repeat(14, 1fr);
        }
}

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

body {
    margin: 0;
    padding: 0;
    font-family: Arial, sans-serif;
    background-color: #ECECEB;

}

.grid-item {
    display: flex;
    flex-direction: column;
    background-color: #FFFFFE;
    border: 1px solid #666;
    padding: 1em;
}

.grid-container {
    display: grid;
    margin: 1em;
    height: 92svh;
    grid-template-areas: var(--grid-template-areas);
    grid-template-columns: var(--grid-template-columns);
    grid-template-rows: var(--grid-template-rows);
  }

header {
    grid-area: header;
    font-size: 2em;
    font-weight: bold;
}

footer {
    grid-area: footer;
}

footer span {
    text-transform: uppercase;
    font-weight: bold;
}

#kp {
    grid-area: kp;
}

#ka {
    grid-area: ka;
}

#vp {
    grid-area: vp;
}

#bs {
    grid-area: bs;
}

#be {
    grid-area: be;
}

#kr {
    grid-area: kr;
}

#de {
    grid-area: de;
}

#mb {
    grid-area: mb;
}

#if {
    grid-area: if;
}

.e {
    width: 100%;
    height: 100%;
    outline: none;
}

h2 {
    padding-bottom: 0.5em;
    font-size: clamp(1.4dvw, 1rem, 1rem);
}

h2 img {
    height: 1em;
    float: right;
}

.hi {
    box-shadow: inset 0 0 1em #F0F7;
}

.lo {
    opacity: 0.5
}

.grid-item:has(*:focus) {
    box-shadow: inset 0 0 1em #F0F7;
}